APA (7th ed.) Citation

Burton, J. A. (1987). Collins guide to the rare mammals of the world. Collins.

Chicago Style (17th ed.) Citation

Burton, John A. Collins Guide to the Rare Mammals of the World. London: Collins, 1987.

MLA (9th ed.) Citation

Burton, John A. Collins Guide to the Rare Mammals of the World. Collins, 1987.