Shortened footnote and citation:
{{sfn|Sauter|2004|p=}}
* {{cite book | last=Sauter | first=Martin | title=Grundkurs mobile Kommunikationssysteme | publisher=Vieweg | publication-place=Wiesbaden | date=2004 | isbn=3-528-05886-2 | language=de}}
Named reference:
<ref name="e971">{{cite book | last=Sauter | first=Martin | title=Grundkurs mobile Kommunikationssysteme | publisher=Vieweg | publication-place=Wiesbaden | date=2004 | isbn=3-528-05886-2 | language=de | page=}}</ref>