APA (7th ed.) Citation

Emboden, W. A. (1979). Narcotic plants. Macmillan.

Chicago Style (17th ed.) Citation

Emboden, William A. Narcotic Plants. New York: Macmillan, 1979.

MLA (9th ed.) Citation

Emboden, William A. Narcotic Plants. Macmillan, 1979.