Shortened footnote and citation:
{{sfn|Ihle|Kampen|Nierstrasz|Versluys|2011|p=}}
* {{cite book | last=Ihle | first=J.E.W. | last2=Kampen | first2=P.N. van | last3=Nierstrasz | first3=H.F. | last4=Versluys | first4=J. | title=Vergleichende Anatomie der Wirbeltiere | publisher=Springer | date=2011-11-11 | isbn=3-642-65105-4 | language=de}}
Named reference:
<ref name="s787">{{cite book | last=Ihle | first=J.E.W. | last2=Kampen | first2=P.N. van | last3=Nierstrasz | first3=H.F. | last4=Versluys | first4=J. | title=Vergleichende Anatomie der Wirbeltiere | publisher=Springer | date=2011-11-11 | isbn=3-642-65105-4 | language=de | page=}}</ref>