APA (7th ed.) Citation

Gilkeson, L. A., & Klein, M. (1981). A guide to the biological control of greenhouse aphids. Ark Project.

Chicago Style (17th ed.) Citation

Gilkeson, Linda A., and Miriam Klein. A Guide to the Biological Control of Greenhouse Aphids. Charlottetown, Prince Edward Island, Canada: Ark Project, 1981.

MLA (9th ed.) Citation

Gilkeson, Linda A., and Miriam Klein. A Guide to the Biological Control of Greenhouse Aphids. Ark Project, 1981.