Shortened footnote and citation:
{{sfn|Retter|2008|p=}} * {{cite book | last=Retter | first=Ralf | title=Theological-political Resistance | publisher=Logos Verlag Berlin GmbH | publication-place=Berlin | date=2008 | isbn=978-3-8325-2096-0}}


Named reference:
<ref name="l678">{{cite book | last=Retter | first=Ralf | title=Theological-political Resistance | publisher=Logos Verlag Berlin GmbH | publication-place=Berlin | date=2008 | isbn=978-3-8325-2096-0 | page=}}</ref>