APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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