Shortened footnote and citation:
{{sfn|Witte|Greiner|2018|p=}}
* {{cite book | last=Witte | first=Julian | last2=Greiner | first2=Wolfgang | title=AMNOG-Report 2018 | publisher=medhochzwei | publication-place=Heidelberg | date=2018-05-25 | isbn=978-3-86216-478-3 | language=de}}
Named reference:
<ref name="j339">{{cite book | last=Witte | first=Julian | last2=Greiner | first2=Wolfgang | title=AMNOG-Report 2018 | publisher=medhochzwei | publication-place=Heidelberg | date=2018-05-25 | isbn=978-3-86216-478-3 | language=de | page=}}</ref>