Shortened footnote and citation:
{{sfn|Krull|1999|p=}}
* {{cite book | last=Krull | first=Wolfgang | title=Collected papers | publisher=Walter de Gruyter | publication-place=Berlin | date=1999 | isbn=978-3-11-012771-3 | language=de}}
Named reference:
<ref name="f028">{{cite book | last=Krull | first=Wolfgang | title=Collected papers | publisher=Walter de Gruyter | publication-place=Berlin | date=1999 | isbn=978-3-11-012771-3 | language=de | page=}}</ref>