Shortened footnote and citation:
{{sfn | Kühlmann | 2009 | p=}}
* {{cite book | last=Kühlmann | first=Wilhelm | title=Huh – Kräf | publisher=Walter de Gruyter | date=2009-09-04 | isbn=978-3-11-021394-2 | language=de}}
Named reference:
<ref name="h021">{{cite book | last=Kühlmann | first=Wilhelm | title=Huh – Kräf | publisher=Walter de Gruyter | date=2009-09-04 | isbn=978-3-11-021394-2 | language=de | page=}}</ref>