Shortened footnote and citation:
{{sfn | Jander | Jahr | 1989 | p=}}

* {{cite book | last=Jander | first=Gerhart | last2=Jahr | first2=Karl Friedrich | title=Maßanalyse | publisher=de Gruyter | publication-place=Berlin | date=1989 | isbn=978-3-11-011975-6 | language=de}}


Named reference:
<ref name="m372">{{cite book | last=Jander | first=Gerhart | last2=Jahr | first2=Karl Friedrich | title=Maßanalyse | publisher=de Gruyter | publication-place=Berlin | date=1989 | isbn=978-3-11-011975-6 | language=de | page=}}</ref>