Shortened footnote and citation:
{{sfn|Bonsall|Duncan|1973|p=}}
* {{cite book | last=Bonsall | first=Frank F. | last2=Duncan | first2=John | title=Complete Normed Algebras | publisher=Springer | publication-place=Berlin Heidelberg New York | date=1973-12-18 | isbn=3-540-06386-2}}
Named reference:
<ref name="m657">{{cite book | last=Bonsall | first=Frank F. | last2=Duncan | first2=John | title=Complete Normed Algebras | publisher=Springer | publication-place=Berlin Heidelberg New York | date=1973-12-18 | isbn=3-540-06386-2 | page=}}</ref>