:

Date format:

2020-01-01 January 1, 2020 Jan 1, 2020 1 January 2020 1 Jan 2020

Shortened footnote and citation:
{{sfn | Zwierlein-Diehl | 2007 | p=}}

* {{cite book | last=Zwierlein-Diehl | first=Erika | title=Antike Gemmen und ihr Nachleben | publisher=Walter de Gruyter | publication-place=Berlin ; New York | date=2007 | isbn=3-11-019450-3 | oclc=184839651 | language=de}}


Named reference:
<ref name="z333">{{cite book | last=Zwierlein-Diehl | first=Erika | title=Antike Gemmen und ihr Nachleben | publisher=Walter de Gruyter | publication-place=Berlin ; New York | date=2007 | isbn=3-11-019450-3 | oclc=184839651 | language=de | page=}}</ref>