Shortened footnote and citation:
{{sfn | International Work Group for Indigenous Affairs (IWGIA) ; Survival International | 1981 | p=}}

* {{cite book | title=Is God an American? an anthropological perspective on the missionary work of the Summer Institute of Linguistics | publisher=International Work Group for Indigenous Affairs (IWGIA) ; Survival International | publication-place=Copenhagen : London | date=1981 | isbn=87-980717-2-6 | ref={{sfnref | International Work Group for Indigenous Affairs (IWGIA) ; Survival International | 1981}}}}


Named reference:
<ref name="s561">{{cite book | title=Is God an American? an anthropological perspective on the missionary work of the Summer Institute of Linguistics | publisher=International Work Group for Indigenous Affairs (IWGIA) ; Survival International | publication-place=Copenhagen : London | date=1981 | isbn=87-980717-2-6 | page=}}</ref>