Shortened footnote and citation:
{{sfn | Becker | 2005 | p=}}

* {{cite book | last=Becker | first=Max | title=Chronik Bildbiografie Wolfgang Amadeus Mozart | publisher=wissenmedia Verlag | publication-place=Gütersloh | date=2005 | isbn=3-577-14369-X | language=de}}


Named reference:
<ref name="a150">{{cite book | last=Becker | first=Max | title=Chronik Bildbiografie Wolfgang Amadeus Mozart | publisher=wissenmedia Verlag | publication-place=Gütersloh | date=2005 | isbn=3-577-14369-X | language=de | page=}}</ref>