APA (7th ed.) Citation

Abercrombie, M., Hickman, C. P., & Johnsom, M. L. (1951). A dictionary of biology. Penguin.

Chicago Style (17th ed.) Citation

Abercrombie, M., Cleveland P. Hickman, and M. L. Johnsom. A Dictionary of Biology. Londres: Penguin, 1951.

MLA (9th ed.) Citation

Abercrombie, M., et al. A Dictionary of Biology. Penguin, 1951.