Cita APA (7a ed.)

Marsden, J. (1998). Opioid substitution: Critical issues and future directions. Journal of drug issues, 28(1), 243-263.

Cita Chicago Style (17a ed.)

Marsden, J. "Opioid Substitution: Critical Issues and Future Directions." Journal of Drug Issues 28, no. 1 (1998): 243-263.

Cita MLA (9a ed.)

Marsden, J. "Opioid Substitution: Critical Issues and Future Directions." Journal of Drug Issues, vol. 28, no. 1, 1998, pp. 243-263.