Shortened footnote and citation:
{{sfn | Böventer | 1997 | p=}}
* {{cite book | last=Böventer | first=Edwin von | title=Einführung in die Mikroökonomie | publisher=de Gruyter Oldenbourg | publication-place=München | date=1997 | isbn=3-486-24248-2 | language=de}}
Named reference:
<ref name="h233">{{cite book | last=Böventer | first=Edwin von | title=Einführung in die Mikroökonomie | publisher=de Gruyter Oldenbourg | publication-place=München | date=1997 | isbn=3-486-24248-2 | language=de | page=}}</ref>