Cita APA (7a ed.)

Newman, R. G. (1995). Another wall that crumbled - Methadone maintenance treatment in Germany. American journal of drug and alcohol abuse, 21(1), 27-35.

Cita Chicago Style (17a ed.)

Newman, R. G. "Another Wall That Crumbled - Methadone Maintenance Treatment in Germany." American Journal of Drug and Alcohol Abuse 21, no. 1 (1995): 27-35.

Cita MLA (8a ed.)

Newman, R. G. "Another Wall That Crumbled - Methadone Maintenance Treatment in Germany." American Journal of Drug and Alcohol Abuse, vol. 21, no. 1, 1995, pp. 27-35.