APA (7th ed.) Citation

Benson, L., & Darrow, R. A. (1954). The trees and shrubs of the southwestern deserts (2. ed.). The University of Arizona Press.

Chicago Style (17th ed.) Citation

Benson, Lyman, and Robert A. Darrow. The Trees and Shrubs of the Southwestern Deserts. 2. ed. Tucson: The University of Arizona Press, 1954.

MLA (9th ed.) Citation

Benson, Lyman, and Robert A. Darrow. The Trees and Shrubs of the Southwestern Deserts. 2. ed. The University of Arizona Press, 1954.