APA (7th ed.) Citation

Beer, A., & Morris, P. (2004). Encyclopedia of mammals: An essential guide to mammals of the world. Grange Books.

Chicago Style (17th ed.) Citation

Beer, Amy-Jane, and Pat Morris. Encyclopedia of Mammals: An Essential Guide to Mammals of the World. UK: Grange Books, 2004.

MLA (9th ed.) Citation

Beer, Amy-Jane, and Pat Morris. Encyclopedia of Mammals: An Essential Guide to Mammals of the World. Grange Books, 2004.