Shortened footnote and citation:
{{sfn | Widmann | 1980 | p=}}
* {{cite book | last=Widmann | first=Joseph Viktor | title=Erinnerungen an Johannes Brahms | publisher=Rotapfel-Verlag | publication-place=Zürich ; Stuttgart | date=1980 | isbn=3-85867-100-2 | language=de}}
Named reference:
<ref name="p900">{{cite book | last=Widmann | first=Joseph Viktor | title=Erinnerungen an Johannes Brahms | publisher=Rotapfel-Verlag | publication-place=Zürich ; Stuttgart | date=1980 | isbn=3-85867-100-2 | language=de | page=}}</ref>