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<year> Year

Representation, usually numerical, of a calendar year.

Usage/Remarks

The @calendar attribute can be used to indicate the calendar (e.g., Gregorian, Thai Buddha, or Japanese) of the given year.
In addition to being used for the year of publication, the <year> is also used to record “historical” events in the publishing cycle, for example, the year the document was accepted or last updated.
The <year> element is used as part of a description of a cited work inside a bibliographic reference (<element-citation> or <mixed-citation>) element.

Best Practice

When possible, the year should be expressed as a 4-digit number, for example, “1776”, “1924”, or “2015”.
Related Elements
Within citations (<element-citation> and <mixed-citation>), the <year> element names a year, typically four digits, for the publication date of the cited source. The elements <year>, <date>, <day>, <month>, and <season> may all be used to describe a date in a citation, both publication dates and other dates. Other dates inside a citation, such as a copyright date, the date on which the author accessed the resource, or a withdrawal date, should be tagged using <date-in-citation> with the @content-type attribute used to name the type of date (copyright, access-date, time-stamp, etc.).
Attributes
calendar
content-type
iso-8601-date
specific-use

Multi-lang Attributes

lang-focus
lang-focus-custom
lang-group
lang-source
lang-source-custom
lang-translate
lang-variant
lang-variant-custom

Base Attributes

id
xml:base
xml:lang
Models and Context
May be contained in
<date>, <date-in-citation>, <element-citation>, <mixed-citation>, <nlm-citation>, <product>, <related-article>, <related-object>, <std>, <string-date>
Description
Text, numbers, or special characters
Content Model
<!ELEMENT  year         (#PCDATA)                                    >
Tagged Sample

In citations

Mixed citation
...
<ref-list>
 ...
 <ref id="B8">
  <mixed-citation>
   <string-name><surname>Weissert</surname>,
   <given-names>W</given-names></string-name>,
   <string-name><surname>Wan</surname>,
   <given-names>T</given-names></string-name>,
   <string-name><surname>Livieratos</surname>,
   <given-names>B</given-names></string-name>,
   <string-name><surname>Katz</surname>,
   <given-names>S</given-names></string-name>.
   <article-title>Effects and costs of day-care 
   services for the chronically ill: a randomized 
   experiment</article-title>. <source>Medical Care</source> 
   <year iso-8601-date="1980">1980</year>; <volume>18</volume>: 
   <fpage>567</fpage>&ndash;<lpage>584</lpage>.
   <pub-id pub-id-type="pmid">6772889</pub-id>.
   </mixed-citation>
 </ref>
 ...
</ref-list>
...
Element citation
...
<ref-list>
 ...
 <ref id="B8">
  <element-citation>
   <person-group>
    <name><surname>Weissert</surname>
     <given-names>W</given-names></name>
    <name><surname>Wan</surname>
     <given-names>T</given-names></name>
    <name><surname>Livieratos</surname>
     <given-names>B</given-names></name>
    <name><surname>Katz</surname>
     <given-names>S</given-names></name>
   </person-group>
   <article-title>Effects and costs of day-care services
    for the chronically ill: a randomized experiment</article-title>
   <source>Medical Care</source>
   <year iso-8601-date="1980">1980</year>
   <volume>18</volume>
   <fpage>567</fpage>
   <lpage>584</lpage>
   <pub-id pub-id-type="pmid">6772889</pub-id>
  </element-citation>
 </ref>
 ...
</ref-list>
...
Related Resource
For a discussion on the use of <year>, see Dates in Citations.