Shortened footnote and citation:
{{sfn | Perrey | 2009 | p=}}
* {{cite book | last=Perrey | first=Hans-Jürgen | title=Die Trittauer Sieben | publisher=Ludwig | publication-place=Kiel | date=2009 | isbn=978-3-86935-016-5 | language=de}}
Named reference:
<ref name="n779">{{cite book | last=Perrey | first=Hans-Jürgen | title=Die Trittauer Sieben | publisher=Ludwig | publication-place=Kiel | date=2009 | isbn=978-3-86935-016-5 | language=de | page=}}</ref>