Cita APA (7a ed.)

Ahlgren, G. H., klingman,Glenn C, & Wolf, D. E. (1951). Principles of weed control (1st edition.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Ahlgren, Gilbert H., klingman,Glenn C, y Dale E. Wolf. Principles of Weed Control. 1st edition. New York: John Wiley & Sons, 1951.

Cita MLA (8a ed.)

Ahlgren, Gilbert H., et al. Principles of Weed Control. 1st edition. John Wiley & Sons, 1951.