<!ELEMENT edition (#PCDATA %edition-elements;)* >
(#PCDATA | sub | sup)*
...
<ref id="B6">
<element-citation>
<collab>National Committee for Clinical Laboratory
Standards</collab>
<source>Performance standards for antimicrobial disk
susceptibility tests</source>
<comment>Approved standard</comment>
<edition>7</edition>
<fpage>M2</fpage>
<lpage>A7</lpage>
<publisher-loc>Wayne, Pa</publisher-loc>
<publisher-name>National Committee for Clinical Laboratory
Standards</publisher-name>
<year iso-8601-date="2000">2000</year>
</element-citation>
</ref>
...
...
<ref id="B6">
<mixed-citation>
<collab>National Committee for Clinical Laboratory
Standards</collab>.
<source>Performance standards for antimicrobial disk
susceptibility tests</source>.
<comment>Approved standard</comment>.
<edition>7</edition><sup>th</sup> ed.
p. <fpage>M2</fpage>–
<lpage>A7</lpage>.
<publisher-loc>Wayne, Pa</publisher-loc>:
<publisher-name>National Committee for Clinical
Laboratory Standards</publisher-name>;
<year iso-8601-date="2000">2000</year>.
</mixed-citation>
</ref>
...
Journal Publishing Tag Library NISO JATS Draft Version 1.1d2
Version of December 2014