एपीए उद्धरण

Andersen, H. T. (1969). Biology of marine mammals. Academic press.

शिकागो स्टाइल उद्धरण

Andersen, Harald T. Biology of Marine Mammals. London: Academic press, 1969.

एमएलए उद्धरण

Andersen, Harald T. Biology of Marine Mammals. Academic press, 1969.