एपीए उद्धरण

Berg,leo s. (1937). Classification of Fishes Both Recent and Fossil. A J Reprints.

शिकागो स्टाइल उद्धरण

Berg,leo s. Classification of Fishes Both Recent and Fossil. New Delhi: A J Reprints, 1937.

एमएलए उद्धरण

Berg,leo s. Classification of Fishes Both Recent and Fossil. A J Reprints, 1937.