Shortened footnote and citation:
{{sfn|Pettke|2017|p=}} * {{cite book | last=Pettke | first=Sabine | title=Aus Rostock im 16. Jahrhundert | publisher=epubli | publication-place=Berlin | date=2017 | isbn=978-3-7450-5496-5 | language=de}}


Named reference:
<ref name="h733">{{cite book | last=Pettke | first=Sabine | title=Aus Rostock im 16. Jahrhundert | publisher=epubli | publication-place=Berlin | date=2017 | isbn=978-3-7450-5496-5 | language=de | page=}}</ref>