Shortened footnote and citation:
{{sfn|Lüttge|1989|p=}}
* {{cite book | last=Lüttge | first=Ulrich | title=Botanik | publisher=VCH | publication-place=Weinheim Basel | date=1989 | isbn=3-527-26119-2 | language=de}}
Named reference:
<ref name="e607">{{cite book | last=Lüttge | first=Ulrich | title=Botanik | publisher=VCH | publication-place=Weinheim Basel | date=1989 | isbn=3-527-26119-2 | language=de | page=}}</ref>