Shortened footnote and citation:
{{sfn | Fahrmeir | 2007 | p=}}
* {{cite book | last=Fahrmeir | first=Ludwig | title=Statistik | publisher=Springer | publication-place=Berlin Heidelberg | date=2007 | isbn=978-3-540-69713-8 | language=de}}
Named reference:
<ref name="u770">{{cite book | last=Fahrmeir | first=Ludwig | title=Statistik | publisher=Springer | publication-place=Berlin Heidelberg | date=2007 | isbn=978-3-540-69713-8 | language=de | page=}}</ref>