Shortened footnote and citation:
{{sfn | Spinoza | 1977 | p=}}
* {{cite book | last=Spinoza | first=Benedictus de | title=Die Ethik | publisher=Reclam | publication-place=Ditzingen | date=1977 | isbn=978-3-15-000851-5 | language=de}}
Named reference:
<ref name="q635">{{cite book | last=Spinoza | first=Benedictus de | title=Die Ethik | publisher=Reclam | publication-place=Ditzingen | date=1977 | isbn=978-3-15-000851-5 | language=de | page=}}</ref>