Template:Citation/identifier
{{#switch:{{{identifier}}}
|arxiv=arXiv:{{#if: | [] | }} {{#if:1||arXiv:{{#if: | [] | }} }} |doi={{#if: |doi: (inactive ) {{#ifeq: Template | |[[Category:Pages with DOIs inactive since {{#time: Y | }}]] | }} |doi: }} {{#if:1||{{#if: |doi: (inactive ) |doi: }} }} |asin=ASIN {{#if:1||ASIN }} |bibcode=Bibcode: {{#if:1||Bibcode: }} |jfm=JFM {{#if:1||JFM }} |jstor=JSTOR {{#if:1||JSTOR }} |isbn=ISBN [[Special:BookSources/|]] {{#if:1||ISBN }} |issn=ISSN {{#if:1||ISSN }} |mr=MR {{#if:1||MR }} |oclc=OCLC {{#if:1||OCLC }} |pmc=PMC {{#if:1||PMC }} |pmid=PMID {{#if:1||PMID }} |zbl=ZBL {{#if:1||ZBL }}
}}