Cita APA (7a ed.)

Spotts, J. V., & Shontz, F. C. (1976). The life styles of nine American cocaine users: Trips to the land of cockaigne. Research issues.

Cita Chicago Style (17a ed.)

Spotts, James V., y Franklin C. Shontz. "The Life Styles of Nine American Cocaine Users: Trips to the Land of Cockaigne." Research Issues 1976.

Cita MLA (9a ed.)

Spotts, James V., y Franklin C. Shontz. "The Life Styles of Nine American Cocaine Users: Trips to the Land of Cockaigne." Research Issues, 1976.