Citação norma APA

Weiss, L., & Petry, N. M. (2013). Older Methadone Patients Achieve Greater Durations of Cocaine Abstinence with Contingency Management than Younger Patients.

Citação norma Chicago

Weiss, Lindsay, and Nancy M. Petry. Older Methadone Patients Achieve Greater Durations of Cocaine Abstinence With Contingency Management Than Younger Patients. 2013.

Citação norma MLA

Weiss, Lindsay, and Nancy M. Petry. Older Methadone Patients Achieve Greater Durations of Cocaine Abstinence With Contingency Management Than Younger Patients. 2013.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.