APA (7th ed.) Citation

Penny, M. (1991). Close relatives: The monkey and the ape. Boxtree.

Chicago Style (17th ed.) Citation

Penny, Malcolm. Close Relatives: The Monkey and the Ape. London: Boxtree, 1991.

MLA (9th ed.) Citation

Penny, Malcolm. Close Relatives: The Monkey and the Ape. Boxtree, 1991.

Warning: These citations may not always be 100% accurate.