<issn> ISSN (in a citation)

Within a citation (such as a <mixed-citation> or an <element-citation>), the International Standard Serial Number, the international code that uniquely identifies a serial publication title.


The format/medium type of a particular <issn> can be captured using the @publication-format attribute.

Base Attributes

Models and Context
May be contained in
Text, numbers, or special characters, zero or more
Content Model
<!ELEMENT  issn         (#PCDATA %issn-elements;)*                   >
Expanded Content Model


Tagged Sample

Part of <std-ident>

 <isbn publication-format="HTML">978-1-937522-68-1</isbn>
 <isbn publication-format="PDF">978-1-937522-69-8</isbn>
 <issn specific-use="National Information standards series">1041-5653</issn>
 <year iso-8601-date="2015">2015</year>