Cita APA (7a ed.)

Robbins, C. A., & Clayton, R. R. (1989). Gender-related differences in psychoactive drug use among older adults. Journal of drug issues, 19(2), .

Cita Chicago Style (17a ed.)

Robbins, Cynthia A., y Richard R. Clayton. "Gender-related Differences in Psychoactive Drug Use Among Older Adults." Journal of Drug Issues 19, no. 2 (1989).

Cita MLA (9a ed.)

Robbins, Cynthia A., y Richard R. Clayton. "Gender-related Differences in Psychoactive Drug Use Among Older Adults." Journal of Drug Issues, vol. 19, no. 2, 1989.