Cita APA (7a ed.)

Metzger, D. S., & Platt, J. S. (1987). Methadone dose levels and client characteristics in heroin addicts. International journal of the addictions, 22(2), 187-195.

Cita Chicago Style (17a ed.)

Metzger, D. S., y J. S. Platt. "Methadone Dose Levels and Client Characteristics in Heroin Addicts." International Journal of the Addictions 22, no. 2 (1987): 187-195.

Cita MLA (9a ed.)

Metzger, D. S., y J. S. Platt. "Methadone Dose Levels and Client Characteristics in Heroin Addicts." International Journal of the Addictions, vol. 22, no. 2, 1987, pp. 187-195.