APA (7th ed.) Citation

Isely, D. (1960). Weed identification and control in the North Central States ([2d ed.].). Iowa State University Press.

Chicago Style (17th ed.) Citation

Isely, Duane. Weed Identification and Control in the North Central States. [2d ed.]. Ames: Iowa State University Press, 1960.

MLA (9th ed.) Citation

Isely, Duane. Weed Identification and Control in the North Central States. [2d ed.]. Iowa State University Press, 1960.