APA (7th ed.) Citation

Breazeale, J. M. (1930). Color schemes of cacti. University of Arizona.

Chicago Style (17th ed.) Citation

Breazeale, John M. Color Schemes of Cacti. Tucson: University of Arizona, 1930.

MLA (9th ed.) Citation

Breazeale, John M. Color Schemes of Cacti. University of Arizona, 1930.

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