Shortened footnote and citation:
{{sfn | Gates | 2020 | p=}}
* {{cite book | last=Gates | first=Bill | title=Wie wir die Klimakatastrophe abwenden | publisher=Piper | publication-place=München | date=2020-06-02 | isbn=978-3-492-07100-0 | language=de}}
Named reference:
<ref name="b045">{{cite book | last=Gates | first=Bill | title=Wie wir die Klimakatastrophe abwenden | publisher=Piper | publication-place=München | date=2020-06-02 | isbn=978-3-492-07100-0 | language=de | page=}}</ref>