Shortened footnote and citation:
{{sfn | Axer | Geulen | Heimes | 2021 | p=}}
* {{cite book | last=Axer | first=Eva | last2=Geulen | first2=Eva | last3=Heimes | first3=Alexandra | title=Aus dem Leben der Form | publisher=Wallstein Verlag | publication-place=Göttingen | date=2021-04-26 | isbn=978-3-8353-3880-7 | language=de}}
Named reference:
<ref name="o638">{{cite book | last=Axer | first=Eva | last2=Geulen | first2=Eva | last3=Heimes | first3=Alexandra | title=Aus dem Leben der Form | publisher=Wallstein Verlag | publication-place=Göttingen | date=2021-04-26 | isbn=978-3-8353-3880-7 | language=de | page=}}</ref>