APA (7th ed.) Citation

Hvass & Vevers. (1978). Reptiles and amphibians of the world. Eyre Methuen.

Chicago Style (17th ed.) Citation

Hvass and Vevers. Reptiles and Amphibians of the World. Lonodn: Eyre Methuen, 1978.

MLA (8th ed.) Citation

Hvass and Vevers. Reptiles and Amphibians of the World. Eyre Methuen, 1978.