Shortened footnote and citation:
{{sfn | Detterbeck | 2021 | p=}}
* {{cite book | last=Detterbeck | first=Steffen | title=Allgemeines Verwaltungsrecht | publisher=C.H. Beck | publication-place=München | date=2021-04 | isbn=978-3-406-76776-0 | language=de}}
Named reference:
<ref name="a846">{{cite book | last=Detterbeck | first=Steffen | title=Allgemeines Verwaltungsrecht | publisher=C.H. Beck | publication-place=München | date=2021-04 | isbn=978-3-406-76776-0 | language=de | page=}}</ref>