APA (7th ed.) Citation

Benson, L. (1940). The cacti of Arizona. Univ. of Arizona Press.

Chicago Style (17th ed.) Citation

Benson, Lyman. The Cacti of Arizona. Tucson, Ariz: Univ. of Arizona Press, 1940.

MLA (9th ed.) Citation

Benson, Lyman. The Cacti of Arizona. Univ. of Arizona Press, 1940.

Warning: These citations may not always be 100% accurate.