APA (7th ed.) Citation

Benson, L., & Walkington, D. L. (1965). The southern californian prickly pears: Invasion, adulteration and trial-by-fire ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Benson, Lyman, and David L. Walkington. The Southern Californian Prickly Pears: Invasion, Adulteration and Trial-by-fire. [Sonderdr.]. 1965.

MLA (9th ed.) Citation

Benson, Lyman, and David L. Walkington. The Southern Californian Prickly Pears: Invasion, Adulteration and Trial-by-fire. [Sonderdr.]. 1965.