Shortened footnote and citation:
{{sfn | Czihak | 1978 | p=}}
* {{cite book | last=Czihak | first=Gerhard | title=Biologie | publication-place=Berlin, Heidelberg [usw.] Springer | date=1978 | isbn=3-540-08273-5 | language=de}}
Named reference:
<ref name="w248">{{cite book | last=Czihak | first=Gerhard | title=Biologie | publication-place=Berlin, Heidelberg [usw.] Springer | date=1978 | isbn=3-540-08273-5 | language=de | page=}}</ref>