Karsten, R. (1915). The couvade or male child-bed among the South American Indians. Helsingfors : Finlandia: Helsingfors Centraltryckeri & Bokbinderi Aktiebolag.
शिकागो स्टाइल उद्धरणKarsten, Rafael. The Couvade or Male Child-bed Among the South American Indians. Helsingfors : Finlandia: Helsingfors Centraltryckeri & Bokbinderi Aktiebolag, 1915.
एमएलए उद्धरणKarsten, Rafael. The Couvade or Male Child-bed Among the South American Indians. Helsingfors : Finlandia: Helsingfors Centraltryckeri & Bokbinderi Aktiebolag, 1915.
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