APA (7th ed.) Citation

Western Society of Weed Science (U.S.), Western United States Land Grant Universities Cooperative Extension Services, & Whitson, T. D. (1996). Weeds of the west (5th ed.). University of Wyoming ; published in cooperation with the Western Society of Weed Science, Western United States Land Grant Universities Cooperative Extension Services.

Chicago Style (17th ed.) Citation

Western Society of Weed Science (U.S.), Western United States Land Grant Universities Cooperative Extension Services, and Tom D. Whitson. Weeds of the West. 5th ed. [Laramie?] : Newark, CA: University of Wyoming ; published in cooperation with the Western Society of Weed Science, Western United States Land Grant Universities Cooperative Extension Services, 1996.

MLA (9th ed.) Citation

Western Society of Weed Science (U.S.), et al. Weeds of the West. 5th ed. University of Wyoming ; published in cooperation with the Western Society of Weed Science, Western United States Land Grant Universities Cooperative Extension Services, 1996.