APA (7th ed.) Citation

Coulter, J. M. A Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora.

Chicago Style (17th ed.) Citation

Coulter, John Merle. A Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora.

MLA (9th ed.) Citation

Coulter, John Merle. A Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora.

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