Shortened footnote and citation:
{{sfn | Marquardt | Rathsack | 1981 | p=}}
* {{cite book | last=Marquardt | first=Axel | last2=Rathsack | first2=Heinz | title=Preussen im Film | publisher=Rowohlt | publication-place=Reinbek bei Hamburg | date=1981 | isbn=3-499-34005-4 | language=de}}
Named reference:
<ref name="k944">{{cite book | last=Marquardt | first=Axel | last2=Rathsack | first2=Heinz | title=Preussen im Film | publisher=Rowohlt | publication-place=Reinbek bei Hamburg | date=1981 | isbn=3-499-34005-4 | language=de | page=}}</ref>