Shortened footnote and citation:
{{sfn | Sterner | Stadler | 2017 | p=}}
* {{cite book | last=Sterner | first=Michael | last2=Stadler | first2=Ingo | title=Energiespeicher - Bedarf, Technologien, Integration | publisher=Springer-Verlag | publication-place=Berlin; [Heidelberg] | date=2017-07-19 | isbn=978-3-662-48893-5 | language=de}}
Named reference:
<ref name="d995">{{cite book | last=Sterner | first=Michael | last2=Stadler | first2=Ingo | title=Energiespeicher - Bedarf, Technologien, Integration | publisher=Springer-Verlag | publication-place=Berlin; [Heidelberg] | date=2017-07-19 | isbn=978-3-662-48893-5 | language=de | page=}}</ref>