APA (7th ed.) Citation

Gilbert, P., & Hamilton, C. J. (1983). Entomology: A guide to information sources. Mansell.

Chicago Style (17th ed.) Citation

Gilbert, Pamela, and C. J. Hamilton. Entomology: A Guide to Information Sources. London: Mansell, 1983.

MLA (9th ed.) Citation

Gilbert, Pamela, and C. J. Hamilton. Entomology: A Guide to Information Sources. Mansell, 1983.