Shortened footnote and citation:
{{sfn | Baehr | 2005 | p=}}
* {{cite book | last=Baehr | first=Hans Dieter | title=Thermodynamik | publisher=Springer DE | publication-place=Berlin Heidelberg | date=2005 | isbn=3-540-23870-0 | language=de}}
Named reference:
<ref name="w864">{{cite book | last=Baehr | first=Hans Dieter | title=Thermodynamik | publisher=Springer DE | publication-place=Berlin Heidelberg | date=2005 | isbn=3-540-23870-0 | language=de | page=}}</ref>