APA (7th ed.) Citation

Abercrombie, M., Hickman, C., & Johnson, M. (1980). The Penguin dictionary of biology (7th ed.). English Language Book Society/Oxford University.

Chicago Style (17th ed.) Citation

Abercrombie, Michael, C.J Hickman, and M.L Johnson. The Penguin Dictionary of Biology. 7th ed. London: English Language Book Society/Oxford University, 1980.

MLA (9th ed.) Citation

Abercrombie, Michael, et al. The Penguin Dictionary of Biology. 7th ed. English Language Book Society/Oxford University, 1980.