Shortened footnote and citation:
{{sfn|Montalembert|Chanel|Montalembert|2011|p=}}
* {{cite book | last=Montalembert | first=Catherine de | last2=Chanel | first2=Coco | last3=Montalembert | first3=Catherine de | title=Für immer Coco: Facetten einer Ikone | publisher=Knesebeck | publication-place=München | date=2011 | isbn=978-3-86873-433-1 | language=de}}
Named reference:
<ref name="t990">{{cite book | last=Montalembert | first=Catherine de | last2=Chanel | first2=Coco | last3=Montalembert | first3=Catherine de | title=Für immer Coco: Facetten einer Ikone | publisher=Knesebeck | publication-place=München | date=2011 | isbn=978-3-86873-433-1 | language=de | page=}}</ref>