Citer

Shortened footnote and citation:

{{sfn|Mathar|Spiegel|1989|p=}} * {{cite book | last=Mathar | first=Franz | last2=Spiegel | first2=Rudolf | title=Kölsche Bier- und Brauhäuser | publisher=Greven | publication-place=Köln | date=1989 | isbn=3-7743-0248-0 | language=de}}

Named reference:

<ref name="f500">{{cite book | last=Mathar | first=Franz | last2=Spiegel | first2=Rudolf | title=Kölsche Bier- und Brauhäuser | publisher=Greven | publication-place=Köln | date=1989 | isbn=3-7743-0248-0 | language=de | page=}}</ref>