APA (7th ed.) Citation

Ott, J. (1993). Pharmacotheon: Entheogenic drugs, their plant sources and history. Natural Products Co..

Chicago Style (17th ed.) Citation

Ott, Jonathan. Pharmacotheon: Entheogenic Drugs, Their Plant Sources and History. Kennewick, Wash.: Natural Products Co., 1993.

MLA (8th ed.) Citation

Ott, Jonathan. Pharmacotheon: Entheogenic Drugs, Their Plant Sources and History. Natural Products Co., 1993.

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