Shortened footnote and citation:
{{sfn | Demtröder | 2006 | p=}}
* {{cite book | last=Demtröder | first=Wolfgang | title=Experimentalphysik. 1: Mechanik und Wärme | publisher=Springer | publication-place=Berlin Heidelberg | date=2006 | isbn=3-540-26034-X | language=et}}
Named reference:
<ref name="d964">{{cite book | last=Demtröder | first=Wolfgang | title=Experimentalphysik. 1: Mechanik und Wärme | publisher=Springer | publication-place=Berlin Heidelberg | date=2006 | isbn=3-540-26034-X | language=et | page=}}</ref>