Shortened footnote and citation:
{{sfn | Feddersen | 1999 | p=}}

* {{cite book | last=Feddersen | first=Jan | title=Woodstock | publisher=Ullstein | publication-place=Berlin | date=1999 | isbn=3-548-35834-9 | language=de}}


Named reference:
<ref name="y168">{{cite book | last=Feddersen | first=Jan | title=Woodstock | publisher=Ullstein | publication-place=Berlin | date=1999 | isbn=3-548-35834-9 | language=de | page=}}</ref>