APA (7th ed.) Citation

Barrons, K. C. (1981). Are pesticides really necessary? Regnery Gateway.

Chicago Style (17th ed.) Citation

Barrons, Keith Converse. Are Pesticides Really Necessary? Chicago, Ill.: Regnery Gateway, 1981.

MLA (9th ed.) Citation

Barrons, Keith Converse. Are Pesticides Really Necessary? Regnery Gateway, 1981.