Shortened footnote and citation:
{{sfn | Luhmann | 2002 | p=}}

* {{cite book | last=Luhmann | first=Niklas | title=Die Religion der Gesellschaft | publisher=Suhrkamp | publication-place=Frankfurt am Main | date=2002 | isbn=3-518-29181-5 | language=de}}


Named reference:
<ref name="u744">{{cite book | last=Luhmann | first=Niklas | title=Die Religion der Gesellschaft | publisher=Suhrkamp | publication-place=Frankfurt am Main | date=2002 | isbn=3-518-29181-5 | language=de | page=}}</ref>