Shortened footnote and citation:
{{sfn|Jäschke|Schrenk|2012|p=}}

* {{cite book | last=Jäschke | first=Kurt-Ulrich | last2=Schrenk | first2=Christhard | title=Vieler Völker Städte | publisher=Stadtarchiv | publication-place=Heilbronn | date=2012 | isbn=978-3-940646-09-5 | oclc=851364708 | language=de}}


Named reference:
<ref name="o609">{{cite book | last=Jäschke | first=Kurt-Ulrich | last2=Schrenk | first2=Christhard | title=Vieler Völker Städte | publisher=Stadtarchiv | publication-place=Heilbronn | date=2012 | isbn=978-3-940646-09-5 | oclc=851364708 | language=de | page=}}</ref>