Shortened footnote and citation:
{{sfn | Ponert | Schäfer | 2016 | p=}}
* {{cite book | last=Ponert | first=Dietmar Jürgen | last2=Schäfer | first2=Rolf | title=Ludwig Münstermann | publisher=Schnell & Steiner | publication-place=Regensburg | date=2016 | isbn=978-3-7954-3166-2 | oclc=971501737 | language=de}}
Named reference:
<ref name="v589">{{cite book | last=Ponert | first=Dietmar Jürgen | last2=Schäfer | first2=Rolf | title=Ludwig Münstermann | publisher=Schnell & Steiner | publication-place=Regensburg | date=2016 | isbn=978-3-7954-3166-2 | oclc=971501737 | language=de | page=}}</ref>