APA (7th ed.) Citation

Gentry, H. S. (1982). Agaves of continental North America. University of Arizona Press.

Chicago Style (17th ed.) Citation

Gentry, Howard Scott. Agaves of Continental North America. Tucson, Ariz.: University of Arizona Press, 1982.

MLA (9th ed.) Citation

Gentry, Howard Scott. Agaves of Continental North America. University of Arizona Press, 1982.

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