आकृति:Harvard citation text

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Template harvtxt creates a short author–date citation with a one-directional link to the first matching citation template on the same page.

This template allows you to link inline citation using Harvard citations (a form of short citations using parenthetical references) to their corresponding full bibliographic citations. If an article is already using a reasonably consistent type of inline citations, and you want to change the style (either to or from this type), then you should discuss that change on the article's talk page first.

How to use

In the body of the article:

{{harvtxt | last name(s) of author(s) | year | p=page number or pp=page range or loc=other location}}

If more than four authors, truncate the list to the first four.

In the references section (or in an earlier footnote):

{{cite book or cite journal, etc | ref=harv | ... other appropriate parameters ... }}

or

{{citation | ... other appropriate parameters ... }} (|ref=harv is not required when using {{Citation}})

Parameters

Up to four authors can be given as parameters. (If there are more than 4 authors only the first 4 should be listed. See #Large numbers of authors, below.) The last required parameter is the year of publication.

(All these examples have links which operate. Click on highlighted text.)

Markup	Renders as
{{harvtxt|Smith|2005|p=25}}	Smith (2005, p. 25)
{{harvtxt|Smith|Jones|2005|p=25}}	Smith & Jones (2005, p. 25)
{{harvtxt|Smith|Jones|Brown|2005|p=25}}	Smith, Jones & Brown (2005, p. 25)
{{harvtxt|Smith|Jones|Brown|Black|2005|p=25}}	Smith et al. (2005, p. 25)

The optional parameters |p=, |pp= and |loc= can be used to indicate the location in the source. All of the Harvard citation templates use the same parameters to indicate page numbers or other locations in the text. For single pages, use |p=; and for multiple pages (such as ranges), use |pp=. Use of |p= for multiple pages or |pp= for single pages can cause cite errors.

Markup	Renders as
{{harvtxt|Smith|2005|p=25}}	Smith (2005, p. 25)
{{harvtxt|Smith|2005|pp=25–26}}	Smith (2005, pp. 25–26)
{{harvtxt|Smith|2005|loc=chpt. 3}}	Smith (2005, chpt. 3)
{{harvtxt|Smith|2005|loc=section 7}}	Smith (2005, section 7)

The optional parameter |ref= is used to specify the reference value that links the short citation to the full citation. This parameter is usually not necessary and it is more common to use {{sfnRef}} or {{harvid}} in the reference section. If you specify |ref=none no hyperlink is created. Note that, if one does not want the link, it is always possible to simply not use the template. (Not available in {{sfn}} and similar templates.)

Aliases

The parameters |page= |pages= and |Ref= exist as aliases for |p= |pp= and |ref= respectively.

Reference section

The links in the Harvard citation templates can find anchors in Citation Style 1, Citation Style 2 and similar templates. To make the anchor, parameter |ref=harv must be set. This is not necessary for {{citation}}, but is normally necessary for the others.

Markup	Renders as
==References== * {{citation | title = Smith's paper |... }} * {{cite web | title = Smith & Jones website | ... | ref = harv }} * {{cite news | title = Article by Smith, Jones and Brown | ... | ref = harv }} * {{cite journal | title= Smith, Jones, Brown and Black's Paper | ... | ref = harv }}	References Smith, John (२००५), Smith's paper।  Smith, John; Jones, Sam (२००५), "Smith & Jones website"।  Smith, John; Jones, Sam; Brown, Tom (२००५), "Article by Smith, Jones and Brown", Big Urban Newspaper।  Smith; Jones; Brown; Black (२००५), "Smith, Jones, Brown and Black's Paper", Important Journal।

Author-date citation templates

There are several templates used to create in-text citations; they differ in the use and placement of parenthesis, in the separator before the page or location and in whether a terminal full stop (period) is present:

In-text templates

Templates	Aliases	Example
{{Harvard citation no brackets}}	{{harvnb}}	Smith 2006, p. 25
{{Harvard citation}}	{{harv}}	(Smith 2006, p. 25)
{{Harvard citation text}}	{{harvtxt}}	Smith (2006, p. 25)
{{Harvcoltxt}}		आकृति:Harvcoltxt
{{Harvcol}}		आकृति:Harvcol
{{Harvcolnb}}		आकृति:Harvcolnb
{{Harvard citations}}	({{harvs}})	आकृति:Harvs (and many other forms).
{{Harvp}}		Smith (2006), p. 25
{{Shortened footnote template}}	{{sfn}}	Article text.
{{Sfnp}}		Article text.
{{Sfnm}}		Article text.आकृति:Sfnm

Full citations can be created manually or by templates:

• Citation Style 1 templates
• {{citation}}

All of these templates have the same parameters and basic functionality. This page describes all of them except the parameters of {{sfnm}} and {{harvs}}; please see their documentation pages. Editors editing one of these templates are requested to make parallel changes to the other versions.

Applications

Harvard citation: {{harv}}

एहो देखी: Wikipedia:Citing sources#Parenthetical referencing

Template {{harv}} creates a parenthetical reference with a link to the full citation in the references section at the bottom of the article.

Markup	Renders as
Article text {{harv|Smith|2006|p=25}}. ==References== * {{cite book | ref = harv | last = Smith | first = John | title = Smith's book | year = 2006 }}	Article text (Smith 2006, p. 25). References Smith, John (2006). Smith's book.

Shortened footnote: {{sfn}} or {{harvnb}}

एहो देखी: Wikipedia:Citing sources#Short citations आ Help:Shortened footnotes

Template {{harvnb}} inside a <ref> span can be used to create a आकृति:Sfnote that is linked to the full citation at the bottom of the article. Template {{sfn}} (without the use of <ref>) has the same effect and it also combines identical footnotes automatically.

Markup	Renders as
Article text.{{sfn|Smith|2007|p=25}} More article text.{{sfn|Smith|2007|p=25}} Still more article text.{{sfn|Smith|2007|p=26}} ==Notes== {{reflist}} ==References== * {{cite book | ref = harv | last = Smith | first = John | year = 2007 | title = Smith's Book }}	Article text. More article text. Still more article text. Notes References Smith, John (2007). Smith's Book.
Article text.<ref name=Smith2008p25>{{harvnb|Smith|2008|p=25}}.</ref> More article text.<ref name=Smith2008p25/> Still more article text.<ref>{{harvnb|Smith|2008|p=26}}.</ref> ==Notes== {{reflist}} ==References== * {{cite book | ref = harv | last = Smith | first = John | year = 2008 | title = Smith's Book }}	Article text. More article text. Still more article text. Notes References Smith, John (2008). Smith's Book.

In text attribution: {{harvtxt}}

एहो देखी: Wikipedia:Citing sources#In-text attribution

Template {{harvtxt}} can be used to link an in-text attribution to the full citation at the bottom of the page.

Markup	Renders as
According to {{harvtxt|Smith|2009|p=25}} ... ==References== * {{citation | last = Smith | first = John | year = 2009 | title = Smith's Book }}	According to Smith (2009, p. 25) ... References Smith, John (२००९), Smith's Book।

Bundled citation: {{harvnb}} or {{sfnm}}

एहो देखी: Wikipedia:Citing sources#Bundling citations

Template {{harvnb}} can be used to bundle citations. {{sfnm}} also produces bundled citations.

Markup	Renders as
Article text ({{harvnb|Smith|2010|p=25}}; {{harvnb|Jones|2010}}).	Article text (Smith 2010, p. 25; Jones 2010).
Article text.<ref>{{harvnb|Smith|2010|p=25}}; {{harvnb|Jones|2010}}</ref>	Article text. Notes
Article text.{{sfnm|la1=Smith|y1=2010|p1=25|la2=Jones|y2=2010}}	Article text. Notes
==References== * {{cite book | last = Smith | first = John ... Smith's book }} * {{cite book | last = Jones | first = Mary ... Jones' book }}	References Smith, John (2010). Smith's book.  Jones, Mary (2010). Jones' book.

Note that {{sfn}} is inappropriate for bundled citations; use {{harvnb}} or {{sfnm}}.

More exotic Harvard citations {{harvid}} or {{harvs}}

मुख्य पृष्ठसभ: Template:Harvard citations तथा Template:harvid

More exotic Harvard citations can be constructed using the {{harvs}} template, such as multiple papers by the same author, using both the first and last names, links to articles about the author, and others. Any kind of unusual link can also be constructed using the idiom [[#{{harvid|parameters}}|link name]].

Markup	Renders as
The theory was developed by {{harvs|txt|first=F. J.|last=Murray|author1-link=F. J. Murray|first2=J.|last2=von Neumann|author2-link=John von Neumann|year=1936|year2=1937|year3=1943}}.	The theory was developed by आकृति:Harvs.
The theory was developed by [[F. J. Murray]] and [[John von Neumann|J. von Neumann]] ([[#{{harvid|Murray|von Neumann|1936}}|1936]],[[#{{harvid|Murray|von Neumann|1937}}|1937]],[[#{{harvid|Murray|von Neumann|1943}}|1943]]).	The theory was developed by F. J. Murray and J. von Neumann (1936, 1937, 1943).
== References == * {{citation | last1 = Murray | first1 = F. J. | year = 1936 | ...}} * {{citation | last1 = Murray | first1 = F. J. | year = 1937 | ...}} * {{citation | last1 = Murray | first1 = F. J. | year = 1943 | ...}}	Murray, F. J.; von Neumann, John (१९३६), Mathematics Paper।  Murray, F. J.; von Neumann, John (१९३७), Another Mathematics Paper।  Murray, F. J.; von Neumann, John (१९४३), Yet Another Mathematics Paper।

Some articles use this idiom [[#CITEREFid | link name ]]. See notes on implementation details below.

Variations

Using colon format: {{harvcol}}, {{harvcolnb}}, {{harvcoltxt}}

Templates {{harvcol}}, {{harvcolnb}}, {{harvcoltxt}} use a colon to indicate the page number(s) or location.

Markup	Renders as
{{harvcol|Smith|2011|p=25}}
{{harvcolnb|Smith|2011|p=25}}
{{harvcoltxt|Smith|2011|p=25}}
{{harvcol|Smith|2011|p=25–26}}
{{harvcol|Smith|2011|loc=chpt. 3}}

Parenthesis around the year: {{sfnp}} and {{harvp}}

Template {{sfnp}} puts parenthesis around the year. Compare the two examples.

Markup	Renders as
Article text.{{sfnp|Smith|2011}} == Notes == {{reflist}}	Article text. Notes
Article text.{{sfn|Smith|2011}} == Notes == {{reflist}}	Article text. Notes

Similarly, in order to mimic Citation Style 1 citations, template {{harvp}} puts parenthesis around the year.

Markup	Renders as
{{harvp|Smith|2011|p=25}}	Smith (2011), p. 25

Additional comments or quotes: |ps=

Parameter |ps= can be used to add quotes or additional comments. Note that this effect can also be achieved using {{harvnb}}, if done as shown in the last example. The postscript is only effective the first time {{sfn}} is used for a particular author, year and location.

Markup	Renders as
Some information.{{sfn|Smith|2011|p=2|ps=: "A quote verifying the information."}} == Notes == {{reflist}}	Some information. Notes
"A quote in a secondary source."{{sfn|Smith|2011|p=2|ps=, quoted in {{harvtxt|Jones|2010|p=343}}}} == Notes == {{reflist}}	"A quote in a secondary source." Notes
Some information.<ref>{{harvnb|Smith|2011|p=2}}: "A quote verifying the information."</ref> == Notes == {{reflist}}	Some information. Notes

No closing period: |ps=none

Using |ps=none in {{sfn}} removes the final period. Compare the two examples. Suppressing the default period (full stop) ensures consistency with Citation style 2, as produced by {{Citation}}, which does not use a trailing period (full stop) in notes. The postscript is only effective the first time {{sfn}} is used for a particular author, year and location. |ps= will also suppress terminal punctuation. Follow-on editors who encounter 'empty' parameters can't know if a previous editor intended to leave that parameter blank. Using the keyword none is a positive indication of the previous editor's intent.

Markup	Renders as
Article text.{{sfn|Smith|2011|ps=none}} == Notes == {{reflist}}	Article text. Notes
Article text.{{sfn|Smith|2011}} == Notes == {{reflist}}	Article text. Notes

Adding a URL for the page or location

If a specific link to the page or section is available, a URL can be added to the location or page number.

Markup	Renders as
{{harv|Smith|2011|loc=[http://en.wikipedia.org chpt 3]}}	(Smith 2011, chpt 3)
{{harv|Smith|2011|loc=[http://en.wikipedia.org §7]}}	(Smith 2011, §7)
Article text.{{sfn|Smith|2011|p=[http://en.wikipedia.org 3]}} ==Notes== {{reflist}} ==References== * {{cite book | last = Smith | year = 2011 | title = Smith's other book }}	Article text. Notes References Smith (2011). Smith's other book.

Possible issues

Wikilink to citation does not work

If an article is using this template, and nothing happens when you click on the highlighted wikilink from a Harvard style citation to a full citation at the bottom of the page, there are several possible solutions. If:

1. The correct citation does not appear at the bottom of the article. Solution: Find the source (it may be copied from an article on a similar subject), and check that it verifies the text. If the source can't be found, tag the citation with {{citation not found}}.
2. The correct citation appears at the bottom of the article, and
   1. The Harvard citation uses a template (such as {{sfn}} or {{harv}}):
      1. The citation uses a template from the list at Citation Style 1:
         1. The name is spelled or capitalized differently here than the citation. Solution: check the source for the correct spelling.
         2. The year is different here than the citation. Solution: check the source for the correct year.
         3. The citation template requires |ref=harv (not needed for {{citation}}, but is needed for most other Citation Style 1 templates). Solution: Add |ref=harv.
         4. The template has a |date= field and no |year= field, but the format of the |date= field is unusual. Solution: Try to fix the date. If the link still does not work, add |year= to the citation template. (It's okay if it has both.)
         5. The citation does not have an author's last name. Solution: check that |ref={{harvid}} is set correctly (see below).
      2. The citation uses a Citation Style Vancouver template. Solution: check that |harvid= is set correctly (see below).
      3. The citation uses a template that does not support |ref= (See Wikipedia:Citation templates and reference anchors). Solution: An anchor can be created using {{wikicite|id={{harvid|args}}|reference={{citation}}}}.
      4. The citation does not use a template:
         1. It has no wikicode to create an anchor. Solution: If आकृति:Cite * citation templates are used liberally throughout the article, then reformat the citation with the appropriate आकृति:Cite * template and set the |ref= appropriately. Otherwise consult with local editors on the talk page about how to proceed. Either add आकृति:Cite * templates and {{harv}} templates, or remove all templates, depending on what local editors prefer. A few articles use {{wikicite}} to create an anchor as an alternative to standard templates.
         2. Uses a <cite>...</cite> span to create an anchor. Solution: remove the cite span (these are deprecated) and proceed as with the previous.
         3. Uses {{wikicite}}. Solution: Check that |id={{harvid}} matches.
   2. If the Harvard citation uses a handwritten wikilink, such as [[#Reference-Smith2006|Smith (2006)]]
      1. The citation uses a citation template which supports |ref= (See Wikipedia:Citation templates and reference anchors). Solution: Check that |ref= is set to a matching id.
      2. Otherwise, check that the reference has {{wikicite|ref=id|reference=citation}} with a matching id.

Templates that have broken wikilinks using these templates are added to the category Category:All articles with broken links to citations.

More than one work in a year

Where there is a need to cite more than one work by the same author published in the same year, the standard way to disambiguate such works is to add a letter suffix after the year element of the {{sfn}} template (e.g. {{sfn|Smith|2006a}} and {{sfn|Smith|2006b}}).

Templates that use Module:Citation/CS1

When {{sfn}} is used with {{citation}} or Citation Style 1 templates, a year-suffix letter may be added to |date= for all accepted date formats except year initial numeric (YYYY-MM-DD). It is not necessary to include both |year= and |date=. If both are included, |year= is used for the CITEREF anchor to be compliant with legacy citations.

|date=2013a – simple year only dates

|date=Jan 2013b or |date=Winter 2013b – month or season and year dates

|date=9 November 2013b or |date=November 9, 2013b – full dates

|date=June–July 2013c or |date=Winter–Spring 2013c – month or season ranges and year dates

|date=c. 2013d – circa year dates

|date=२०२६–२०२७f or |date=Summer २०२६–२७f – year ranges

|date=n.d.e – no date (n.d.)

|date=2013x-11-09 – not supported, the template must use |year=2013x

Markup	Renders as
Article text.{{sfn|Smith|1993a|p=25}} More text.{{sfn|Smith|1993b|p=32}} ==Notes== {{reflist |close=1}} ==References== * {{cite journal |last=Smith |first=Karen |date=January 1993a |title=Smith's first paper |journal=Important Journal |ref=harv }} * {{cite journal |last=Smith |first=Karen |date=Spring–Summer 1993b |title=Smith's second paper |journal=Another Important Journal |ref =harv }}	Article text. More text. Notes References Smith, Karen (जनवरी १९९३a), "Smith's first paper", Important Journal।  Smith, Karen (Spring–Summer १९९३b), "Smith's second paper", Another Important Journal।

More than one author with the same last name

The above solution to add a letter suffix after the year element also works for multiple authors with the same last name. For example, both Richard Bushman and Claudia Lauper Bushman published books in 2006. To differentiate between the two books, the first one is given the year "2006a" and the second one "2006b".

Large numbers of authors

Only the first four authors are required by the template. Listing more is not supported. It is also possible to use the |ref={{harvid}} in the citation template, which allows a more concise citation in the article text.

Markup	Renders as
Article text {{harv|Smith|Jones|Brown|Black|1994|p=25}}. ==References== * {{cite journal | last = Smith | last2 = Jones | last3 = Brown | last4 = Black | last5 = Davis | last6 = Martinez | last7 = Hsu | year= 1994 | title= Scientific paper written by dozens of scientists | journal = Important Journal | ref = harv }}	Article text (Smith et al. 1994, p. 25). References Smith; Jones; Brown; Black; Davis; Martinez; Hsu (१९९४), "Scientific paper written by dozens of scientists", Important Journal।
Article text {{harv|Smith et al.|1995|p=25}}. ==References== * {{cite journal | last = Smith | last2 = Jones | last3 = Brown | last4 = Black | last5 = Davis | last6 = Martinez | last7 = Hsu | year= 1995 | title= Another paper by even more scientists | journal = Important Journal | ref = {{harvid|Smith et al.|1995}} }}	Article text (Smith et al. 1995, p. 25). References Smith; Jones; Brown; Black; Davis; Martinez; Hsu (१९९५), "Another paper by even more scientists", Important Journal।

No author name in citation template

Some sources do not have a single author with a last name, such as a magazine article or a report from a government institution. There is no consensus (in Wikipedia or among citation styles) about how to format author-date citations to works that do not have a specific author. Several choices are:

1. For a newspaper or periodical you may use the name of the paper and the date.
2. For a publication by an institution, use either:
   1. The initials of the institution
   2. The name of the institution
3. Alternatively, some style guides recommend using the title of the article.
4. Other style guides recommend using "Anonymous" or "Anon."

An article should adopt one of these styles consistently. Using |ref={{harvid}} in the citation template can handle these cases.

Markup	Renders as
Article text.{{sfn |BGI|1996|p=429}} ==Notes== {{reflist}} ==References== * {{cite book | title = Important Book | year = 1996 | publisher = Big Government Institution | ref = {{harvid|BGI|1996}} }}	Article text. Notes References Important Book. Big Government Institution. 1996.
Article text.{{sfn |''Popular Magazine''|1996|p=29}} ==Notes== {{reflist}} ==References== * {{cite magazine | magazine = Popular Magazine | title = An Article by an Anonymous Author | year = 1996 | ref = {{harvid|Popular Magazine|1996}} }}	Article text. Notes References "An Article by an Anonymous Author", Popular Magazine, १९९६।

Citation has |date= and no |year=

Either the |year= or |date= of a citation template can be matched – the template logic can extract the year from a full date. If the date parameter is not a full date, then the extraction will fail. If the link does not seem to work, it also possible to set both |date= and |year= parameters. The template will display the date and use the year for the anchor. If only the year is known the |year= field must be used in the citation for the link to work correctly (i.e. |date=2005 may not work correctly). These two examples show a year being successfully extracted from full date.

Markup	Renders as
Article text.{{sfn|Smith|1997|p=101}} ==Notes== {{reflist}} ==References== * {{cite journal | last = Smith | first = Karen | date = 11 May 1997 | title = Smith's 1997 paper | journal= Important Journal | ref = harv }}	Article text. Notes References Smith, Karen (११ मई १९९७), "Smith's 1997 paper", Important Journal।
Article text.{{sfn|Smith|1998|p=101}} ==Notes== {{reflist}} ==References== * {{cite journal | last = Smith | first = Karen | date = May 1998 | title = Smith's 1998 paper | journal= Important Journal | ref = harv }}	Article text. Notes References Smith, Karen (मई १९९८), "Smith's 1998 paper", Important Journal।

Citation template does not support |ref=harv

The आकृति:Vcite family of templates use parameter |ref=harvid to create an anchor for the Harvard citation templates. This must be set to a concatenation of the parameters passed to the Harvard citation template.

Markup	Renders as
Article text.{{sfn|Smith|1999|p=101}} ==Notes== {{reflist}} ==References== * {{vcite book | last = Smith | first = Karen | year = 1999 | title = Smith's 1999 Book | harvid = Smith1999 }}	Article text. Notes References आकृति:Vcite book
Article text.{{sfn|Smith|2000|p=101}} ==Notes== {{reflist}} ==References== * {{cite thesis | last = Smith | first = Karen | date = May 2000 | title = Smith's Thesis | ref = {{harvid|Smith|2000}} }}	Article text. Notes References Smith, Karen (मई २०००), Smith's Thesis।

Citation format does not support anchors: {{wikicite}}

In a few very rare cases, it may be impossible for the citation templates to create an anchor. Either (1) the citation is formatted with a template that does not support the |ref= parameter or (2) the source can't be described using our citation templates at all. In these cases, it is possible to use {{wikicite}} to make the anchor. (As of November 2010, there are only approximately 100 articles that require this technique.) It is also possible that (3) local editors would prefer not to use citation templates. In this case, it is important to discuss what the local editors would like to do about the bad links. It is always possible to simply remove {{harv}} or {{sfn}}.

Markup	Renders as
Article text.{{sfn |Big Government Agency|1999}} ==Notes== {{reflist}} ==References== * {{wikicite | reference = {{cite report | title=Important Government Report | publisher=Big Government Agency | year=1999 }} | ref = {{harvid|Big Government Agency|1999}} }}	Article text. Notes References आकृति:Wikicite
Article text.{{sfn |A particularly unusual citation}} ==Notes== {{reflist}} ==References== * {{wikicite | reference = A source that can't be described using our citation templates at all. | ref = {{harvid|A particularly unusual citation}} }}	Article text. Notes References आकृति:Wikicite

It is also possible to use <cite> to achieve the same effect, but this may not be compatible with HTML 5.

Citation has multiple authors and no date

The templates assume that the last field is the year. Where there are multiple authors and no year the template will form a correct link but will display the last author as if it were a year. To force the displayed text to show all authors as name, the following work around may be used:

Markup	Renders as
Article text.<ref>[[#{{harvid|Lane|Singh}}|Lane & Singh]]</ref> ==Notes== {{reflist}} ==References== * {{citation | last = Lane | first = Kieran | last2 = Singh | first2 = Karun | title = Richard Watts | work = Richard Watts Charities | url = http://www.richardwatts.org.uk/richardwatts1.html | accessdate = 21 June 2012 }}	Article text. Notes References Lane, Kieran; Singh, Karun, "Richard Watts", Richard Watts Charities, अन्तिम पहुँच २१ जून २०१२।

Recommended style

The recommended Harvard referencing style potentially uses all four templates. Each automatically generates a hypertext link based on the name(s) and date. Here is an example

Markup	Renders as
Some works on gravitation are so massive they warp spacetime themselves {{Harv|Misner|Thorne|Wheeler|1973}}; yet {{Harvtxt|Einstein|1915}} presented essential equations with notable brevity. The essential ingredients are the curvature tensor and the stress-energy tensor ({{Harvnb|Einstein|1915|p=844}}; {{Harvnb|Misner|Thorne|Wheeler|1973|p=41}}). ==References== *{{Citation | last=Misner | first=Charles W. | last2=Thorne | first2=Kip S. | first3=John Archibald | last3=Wheeler | title=Gravitation | publisher=W. H. Freeman | location = San Francisco | date = September 1973 | isbn = 0-7167-0344-0 }} *{{Citation | last =Einstein | first =Albert | title =Die Feldgleichungen der Gravitation (The Field Equations of Gravitation) | journal =Königlich Preussische Akademie der Wissenschaften | pages =844–847 | year =1915 }}	Some works on gravitation are so massive they warp spacetime themselves (Misner, Thorne & Wheeler 1973); yet Einstein (1915) presented essential equations with notable brevity. The two ingredients are the curvature tensor and the stress-energy tensor (Einstein 1915, p. 844; Misner, Thorne & Wheeler 1973, p. 41). References Misner, Charles W.; Thorne, Kip S.; Wheeler, John Archibald (सितम्बर १९७३), Gravitation, San Francisco: W. H. Freeman, आइएसबिएन 0-7167-0344-0।  Einstein, Albert (१९१५), "Die Feldgleichungen der Gravitation (The Field Equations of Gravitation)", Königlich Preussische Akademie der Wissenschaften: 844–847।

In short:

1. For a single work with no author in the text (the most common case), use {{Harv}}.
2. For a single work with the author named in the text, use {{Harvtxt}}.
3. For multiple works at the same point, use explicit parentheses and {{Harvnb}} separated by semicolons.
4. For anything more complicated use {{Harvs}}.

Implementation notes

These templates use two elements: a wikilink in the body of the article, and an anchor in the reference section of the article. Clicking on the wikilink repositions the page at the anchor.

Citation template anchor

एहो देखी: Wikipedia:Citation templates and reference anchors

The most common citation templates are Citation Style 1 or Citation Style 2. If |ref=harv is set, then Module:Citation/CS1 and {{Citation/core}} create an anchor <a name="CITEREF"> followed by the concatenation of the following parameters:

• last or last1 or surname or surname1 or author or author1 or authors,
• last2 or surname2 or author2,
• last3 or surname3 or author3,
• last4 or surname4 or author4,
• editor-last or editor-surname or editor1-last or editor1-surname or editor or editors,
• editor2-last or editor2-surname,
• editor3-last or editor3-surname,
• editor4-last or editor4-surname,
• year.

Template {{Citation}} sets |ref=harv as the default.

This covers the most common templates. Information about all the templates is available at Wikipedia:Citation templates and reference anchors.

Please note that the above list does not include the deprecated coauthor parameter, which is ignored in generating the citation's CITEREF anchor. It is recommended that, when used with the harv family templates, citation templates always use the numbered last parameters instead of coauthor so that a more accurate CITEREF anchor may be generated. If coauthor is used, it will not be possible to generate a Harvard citation that displays the authors' names correctly and that generates a link to the correct CITEREF anchor.

Use of the date parameter in place of the year parameter in citation templates is preferred when full dates are known.

Harvard citation wikilink

The Harvard citation templates create a wikilink to the anchor. For example {{Harv|Smith|2006|p=25}} produces the link #CITEREFSmith2006 and {{Citation|last=Smith|first=John|date=27 January 2006|title=My Life}} produces the anchor CITEREFSmith2006.

Using CITEREF directly

A few articles create a custom ID using CITEREF, either in place of the Harvard citation template (e.g. [[#CITEREFSmith2006|(2006)]]) or as a value for |ref= in the citation template. A custom ID must follow these rules:

• Names are case-sensitive
• Names MUST NOT be purely numeric; they should have semantic value so that they can be more easily distinguished from each other by human editors.
• Names must be unique—you may not use the same name to define different groups or footnotes
• Quotation marks are optional if the only characters used are letters A–Z, a–z, digits 0–9, and the symbols ! $ % & ( ) * , - . : ; < @ [ ] ^ _ ` { | } ~.
  • The forbidden printable ASCII characters are # " ' / = > ? \ .
• Inclusion of any other characters, including spaces, requires that the reference name be enclosed in quotes: name="John Smith".
• The quote marks must be the standard straight keyboard marks ("); curly or other quotes will be parsed as part of the reference name.
• Quote-enclosed reference names may not include a less-than sign (<) or a double straight quote symbol ("). These may be escaped with < and ", respectively.
• If CITEREF is used, then spaces in the |ref= field must be replaced with underscores
• Please consider keeping reference names simple and restricted to the standard English alphabet and numerals.
• You may optionally provide reference names even when the reference name is not required. This makes later re-use of the sourced reference easier.

Examples:

• {{sfn|cite name|year}}
• {{cite book|ref=CITEREFcite_nameyear}}
• {{cite book|ref={{sfnref}}}}

Where cite_name is a name such as the publisher.

{{sfn}}'s ref name

Template {{sfn}} creates a named footnote, so that identical footnotes are combined automatically. The footnote name begins with FOOTNOTE followed by a concatenation of the arguments to {{sfn}}. E.g.: this template call {{sfn|Smith|2006|p=26}} should have exactly the same functionality as <ref name="FOOTNOTESmith200626">{{Harvnb}}</ref> which, in turn, has the same functionality as <ref name="FOOTNOTESmith200626">[[#CITEREFSmith2006|Smith (2006)]], p. 26</ref>.

The call to {{harvnb}} has been subst'ed for quicker load times.

Creates a short author–date citation with a one-directional link to the first matching citation template on the same page.

साँचे के पैरामीटर्स[साँचा डेटा सम्पादित करें]

इस साँचे के लिए पैरामीटरों के इनलाइन प्रारूपण को प्राथमिकता दी जाती है।

पैरामीटर		विवरण	प्रकार	स्थिति
1	1	कोई विवरण नहीं	अज्ञात	वैकल्पिक
2	2	कोई विवरण नहीं	अज्ञात	वैकल्पिक
3	3	कोई विवरण नहीं	अज्ञात	वैकल्पिक
4	4	कोई विवरण नहीं	अज्ञात	वैकल्पिक
5	5	कोई विवरण नहीं	अज्ञात	वैकल्पिक
Page	p page	कोई विवरण नहीं	संख्या	वैकल्पिक
Pages	pp pages	कोई विवरण नहीं	अज्ञात	वैकल्पिक
loc	loc	कोई विवरण नहीं	अज्ञात	वैकल्पिक
ref	ref	कोई विवरण नहीं	अज्ञात	वैकल्पिक
Ref	Ref	कोई विवरण नहीं	अज्ञात	वैकल्पिक

The above documentation is transcluded from आकृति:Harvard citation text/doc. (edit | history)
Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this template.