APA (7th ed.) Citation

Clegg, P. C., & Clegg, A. G. (1975). Biology of the mammal (4th ed.). Heinemann.

Chicago Style (17th ed.) Citation

Clegg, P. Catherine, and Arthur G. Clegg. Biology of the Mammal. 4th ed. London: Heinemann, 1975.

MLA (9th ed.) Citation

Clegg, P. Catherine, and Arthur G. Clegg. Biology of the Mammal. 4th ed. Heinemann, 1975.