Shortened footnote and citation:
{{sfn | Kroll | 2011 | p=}}
* {{cite book | last=Kroll | first=Frank-Lothar | title=Geschichte Sachsens | publisher=Verlag C.H. Beck | publication-place=München | date=2011 | isbn=978-3-406-60524-6 | language=de}}
Named reference:
<ref name="y287">{{cite book | last=Kroll | first=Frank-Lothar | title=Geschichte Sachsens | publisher=Verlag C.H. Beck | publication-place=München | date=2011 | isbn=978-3-406-60524-6 | language=de | page=}}</ref>