APA (7th ed.) Citation

Pimentel, D., Culliney, T. W., Buttler, I. W., Reinemann, D. J., & Beckman, K. B. (1989). Low-input sustainable agriculture using ecological management practices.

Chicago Style (17th ed.) Citation

Pimentel, David, Thomas W. Culliney, Imo W. Buttler, Douglas J. Reinemann, and Kenneth B. Beckman. Low-input Sustainable Agriculture Using Ecological Management Practices. 1989.

MLA (9th ed.) Citation

Pimentel, David, et al. Low-input Sustainable Agriculture Using Ecological Management Practices. 1989.