Shortened footnote and citation:
{{sfn | Jahr | 1998 | p=}}
* {{cite book | last=Jahr | first=Christoph | title=Gewöhnliche Soldaten | publisher=Vandenhoeck & Ruprecht | publication-place=Göttingen | date=1998 | isbn=3-525-35786-9 | language=de}}
Named reference:
<ref name="f321">{{cite book | last=Jahr | first=Christoph | title=Gewöhnliche Soldaten | publisher=Vandenhoeck & Ruprecht | publication-place=Göttingen | date=1998 | isbn=3-525-35786-9 | language=de | page=}}</ref>