Shortened footnote and citation:
{{sfn | Ridpath | Tirion | Ridpath | 2001 | p=}}
* {{cite book | last=Ridpath | first=Ian | last2=Tirion | first2=Wil | last3=Ridpath | first3=Ian | title=Stars and planets | publisher=Princeton University Press | publication-place=Princeton, N.J | date=2001 | isbn=0-691-08913-2}}
Named reference:
<ref name="c445">{{cite book | last=Ridpath | first=Ian | last2=Tirion | first2=Wil | last3=Ridpath | first3=Ian | title=Stars and planets | publisher=Princeton University Press | publication-place=Princeton, N.J | date=2001 | isbn=0-691-08913-2 | page=}}</ref>