Citazione Stile APA (7a Edizione)

Klingman, G. C., & Ashton, F. M. (1975). Weed science: Principles and practices. John Wiley & Sons.

Citazione stile Chigago Style (17a edizione)

Klingman, Gleen C., e Floyd M. Ashton. Weed Science: Principles and Practices. New York: John Wiley & Sons, 1975.

Citatione MLA (9a ed.)

Klingman, Gleen C., e Floyd M. Ashton. Weed Science: Principles and Practices. John Wiley & Sons, 1975.