Shortened footnote and citation:
{{sfn|Brockhaus|1989|p=}}
* {{cite book | title=Physik. 2: Ma - Z | publisher=Brockhaus | publication-place=Leipzig | date=1989 | isbn=3-325-00192-0 | ref={{sfnref|Brockhaus|1989}}}}
Named reference:
<ref name="f310">{{cite book | title=Physik. 2: Ma - Z | publisher=Brockhaus | publication-place=Leipzig | date=1989 | isbn=3-325-00192-0 | page=}}</ref>