Cita APA (7a ed.)

Courtwright, D. T. (1986). Charles Terry: The opium problem, and American narcotic policy. Journal of drug issues, 16(3), 421-434.

Cita Chicago Style (17a ed.)

Courtwright, David T. "Charles Terry: The Opium Problem, and American Narcotic Policy." Journal of Drug Issues 16, no. 3 (1986): 421-434.

Cita MLA (9a ed.)

Courtwright, David T. "Charles Terry: The Opium Problem, and American Narcotic Policy." Journal of Drug Issues, vol. 16, no. 3, 1986, pp. 421-434.