APA (7th ed.) Citation

Weniger, D. Cacti of the Southwest: Texas, New Mexico, Oklahoma, Arkansas, and Louisiana. University of Texas press.

Chicago Style (17th ed.) Citation

Weniger, Del. Cacti of the Southwest: Texas, New Mexico, Oklahoma, Arkansas, and Louisiana. Austin: University of Texas press.

MLA (9th ed.) Citation

Weniger, Del. Cacti of the Southwest: Texas, New Mexico, Oklahoma, Arkansas, and Louisiana. University of Texas press.