Cita APA (7a ed.)

Gamage, J. R., & Zerkin, E. L. (1969). A comprehensive guide to the English-language literature on cannabis <marihuana>. STASH Pr.

Cita Chicago Style (17a ed.)

Gamage, James R., y Edmund L. Zerkin. A Comprehensive Guide to the English-language Literature on Cannabis <marihuana>. Beloit, Wisc: STASH Pr, 1969.

Cita MLA (8a ed.)

Gamage, James R., y Edmund L. Zerkin. A Comprehensive Guide to the English-language Literature on Cannabis <marihuana>. STASH Pr, 1969.