:

Date format:

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

Shortened footnote and citation:
{{sfn | Weizsäcker | 1994 | p=}}

* {{cite book | last=Weizsäcker | first=Ernst Ulrich von | title=Erdpolitik | publisher=Wiss. Buchges | publication-place=Darmstadt | date=1994 | isbn=3-534-80144-X | language=de}}


Named reference:
<ref name="b439">{{cite book | last=Weizsäcker | first=Ernst Ulrich von | title=Erdpolitik | publisher=Wiss. Buchges | publication-place=Darmstadt | date=1994 | isbn=3-534-80144-X | language=de | page=}}</ref>