Shortened footnote and citation:
{{sfn | Kroeber-Riel | 1992 | p=}}
* {{cite book | last=Kroeber-Riel | first=Werner | title=Konsumentenverhalten | publisher=Vahlen | publication-place=München | date=1992 | isbn=3-8006-1656-4 | language=de}}
Named reference:
<ref name="x939">{{cite book | last=Kroeber-Riel | first=Werner | title=Konsumentenverhalten | publisher=Vahlen | publication-place=München | date=1992 | isbn=3-8006-1656-4 | language=de | page=}}</ref>