APA (7th ed.) Citation

Ahlgren, G. H. (1951). Principles of weed control. Wiley.

Chicago Style (17th ed.) Citation

Ahlgren, Gilbert H. Principles of Weed Control. New York: Wiley, 1951.

MLA (9th ed.) Citation

Ahlgren, Gilbert H. Principles of Weed Control. Wiley, 1951.

Warning: These citations may not always be 100% accurate.