Shortened footnote and citation:
{{sfn|Keller|2003|p=}}
* {{cite book | last=Keller | first=Heidi | title=Handbuch der Kleinkindforschung | publisher=Hans Huber | publication-place=Bern | date=2003 | isbn=3-456-83829-8 | language=de}}
Named reference:
<ref name="i897">{{cite book | last=Keller | first=Heidi | title=Handbuch der Kleinkindforschung | publisher=Hans Huber | publication-place=Bern | date=2003 | isbn=3-456-83829-8 | language=de | page=}}</ref>