Cita APA (7a ed.)

Emboden, W. (1979). Narcotic plants: Revised and enlarged. Collier Books.

Cita Chicago Style (17a ed.)

Emboden, William. Narcotic Plants: Revised and Enlarged. Collier Books, 1979.

Cita MLA (9a ed.)

Emboden, William. Narcotic Plants: Revised and Enlarged. Collier Books, 1979.