APA (7th ed.) Citation

Swinton, W. E. (1973). Fossil amphibians and reptiles (5.ed.). British Museum (Natural History).

Chicago Style (17th ed.) Citation

Swinton, William Elgin. Fossil Amphibians and Reptiles. 5.ed. London: British Museum (Natural History), 1973.

MLA (9th ed.) Citation

Swinton, William Elgin. Fossil Amphibians and Reptiles. 5.ed. British Museum (Natural History), 1973.