Emboden, W. (1979). Narcotic plants: Revised and enlarged. Collier Books.
Čikaški stil citiranja (17. izdanje)Emboden, William. Narcotic Plants: Revised and Enlarged. Collier Books, 1979.
MLA način citiranja (9. izdanje)Emboden, William. Narcotic Plants: Revised and Enlarged. Collier Books, 1979.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.