Cita APA

Carter, W. E., Coggins, W. J., & Doughty, P. L. (1976). Chronic cannabis use in Costa Rica. Gainesville, Fla.: National Institute on Drug Abuse.

Citación estilo Chicago

Carter, William E., Wilmer J. Coggins, y Paul Larrabee Doughty. Chronic Cannabis Use in Costa Rica. Gainesville, Fla.: National Institute on Drug Abuse, 1976.

Cita MLA

Carter, William E., Wilmer J. Coggins, y Paul Larrabee Doughty. Chronic Cannabis Use in Costa Rica. Gainesville, Fla.: National Institute on Drug Abuse, 1976.