APA (7th ed.) Citation

b, Hickman, M., & Thain, M. (1996). The Penguin dictionary of biology (9th ed.). Penguin.

Chicago Style (17th ed.) Citation

b, M. Hickman, and M. Thain. The Penguin Dictionary of Biology. 9th ed. London: Penguin, 1996.

MLA (8th ed.) Citation

b, et al. The Penguin Dictionary of Biology. 9th ed. Penguin, 1996.

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