Shortened footnote and citation:
{{sfn | Marra | 2007 | p=}}
* {{cite book | last=Marra | first=Stephanie | title=Allianzen des Adels | publisher=Bohlau Verlag | publication-place=Köln | date=2007 | isbn=978-3-412-31105-6 | language=de}}
Named reference:
<ref name="f177">{{cite book | last=Marra | first=Stephanie | title=Allianzen des Adels | publisher=Bohlau Verlag | publication-place=Köln | date=2007 | isbn=978-3-412-31105-6 | language=de | page=}}</ref>