Cita APA

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

Citación estilo Chicago

Hvass, Hans, y Gwyne Vevers. Reptiles and Amphibians of the World. London: Eyre Methuen, 1978.

Cita MLA

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