Template:Citation Style documentation/date


 * date: Date of referenced source. Can be full date (day, month, and year) or partial date (month and year, season and year, or year). Use same format as other publication dates in the citations. Required when year is used to disambiguate links to multiple-work citations by the same author in the same year.$[more]$ Do not wikilink. Displays after the authors and is enclosed in parentheses. If there is no author, then displays after the publisher.
 * For approximate year, precede with " ", like this: c. 1900.


 * For no date, or "undated", use n.d.
 * The date of a Web page, PDF, etc. with no visible date can sometimes be established by searching the page source or document code for a  or   date; a comment for editors such as   can be added.


 * year: Year of source being referenced. The usage of this parameter is discouraged; use the more flexible date parameter instead unless of the following conditions are met:
 * The date format is YYYY-MM-DD.
 * The citation requires a  disambiguator.
 * df: date format; sets rendered dates to the specified format; does not support date ranges or seasonal dates; overrides the automatic date formatting described above. Accepts one value which may be one of these:
 * – set publication dates to day month year format; access- and archive-dates are not modified;
 * – as above for month day, year format
 * – as above for year initial numeric format YYYY-MM-DD
 * – set publication, access-, and archive-dates to day month year format;
 * – as above for month day, year format
 * – as above for year initial numeric format YYYY-MM-DD