Shortened footnote and citation:
{{sfn | Plenz | Guckes | 2008 | p=}}
* {{cite book | last=Plenz | first=Julius | last2=Guckes | first2=Sven | title=Zsh | publisher=Open Source Press | publication-place=München | date=2008 | isbn=3-937514-59-7 | language=de}}
Named reference:
<ref name="l448">{{cite book | last=Plenz | first=Julius | last2=Guckes | first2=Sven | title=Zsh | publisher=Open Source Press | publication-place=München | date=2008 | isbn=3-937514-59-7 | language=de | page=}}</ref>