APA (7th ed.) Citation

Benson, L. D., & Darrow, R. A. (1981). Trees and shrubs of the southwestern deserts (3rd ed., rev. and expanded.). University of Arizona Press.

Chicago Style (17th ed.) Citation

Benson, Lyman David, and Robert Arthur Darrow. Trees and Shrubs of the Southwestern Deserts. 3rd ed., rev. and expanded. Tucson: University of Arizona Press, 1981.

MLA (9th ed.) Citation

Benson, Lyman David, and Robert Arthur Darrow. Trees and Shrubs of the Southwestern Deserts. 3rd ed., rev. and expanded. University of Arizona Press, 1981.