Cita APA

Semple, S. J., Strathdee, S. A., Zians, J., & Patterson, T. L. (2010). Social and Behavioral Characteristics of HIV-positive MSM Who Trade Sex for Methamphetamine.

Chicago Style Citation

Semple, Shirley J., Steffanie A. Strathdee, Jim Zians, i Thomas L. Patterson. Social and Behavioral Characteristics of HIV-positive MSM Who Trade Sex for Methamphetamine. 2010.

Cita MLA

Semple, Shirley J., Steffanie A. Strathdee, Jim Zians, i Thomas L. Patterson. Social and Behavioral Characteristics of HIV-positive MSM Who Trade Sex for Methamphetamine. 2010.