Cita APA (7a ed.)

Simpson, D. D., & Sells, S. B. (1990). Opioid addiction and treatment: A 12-year follow-up (Orig. ed.). R.E. Krieger.

Cita Chicago Style (17a ed.)

Simpson, Dennis D., y Saul B. Sells. Opioid Addiction and Treatment: A 12-year Follow-up. Orig. ed. Malabar, Fla: R.E. Krieger, 1990.

Cita MLA (9a ed.)

Simpson, Dennis D., y Saul B. Sells. Opioid Addiction and Treatment: A 12-year Follow-up. Orig. ed. R.E. Krieger, 1990.