Shortened footnote and citation:
{{sfn | Kühlmann | 2008 | p=}}
* {{cite book | last=Kühlmann | first=Wilhelm | title=A – Blu | publisher=Walter de Gruyter | date=2008-09-25 | isbn=978-3-11-020933-4 | language=de}}
Named reference:
<ref name="e920">{{cite book | last=Kühlmann | first=Wilhelm | title=A – Blu | publisher=Walter de Gruyter | date=2008-09-25 | isbn=978-3-11-020933-4 | language=de | page=}}</ref>