APA (7th ed.) Citation

Aldrich, R. J., & Kremer, R. J. (1997). Principles in weed management (2nd ed.). Iowa State University Press.

Chicago Style (17th ed.) Citation

Aldrich, R. J., and R. J. Kremer. Principles in Weed Management. 2nd ed. Ames: Iowa State University Press, 1997.

MLA (9th ed.) Citation

Aldrich, R. J., and R. J. Kremer. Principles in Weed Management. 2nd ed. Iowa State University Press, 1997.