APA citiranje

Semple, S. J., Zians, J., Strathdee, S. A., & Patterson, T. L. (2008). Sexual Marathons and Methamphetamine Use Among HIV-Positive Men Who Have Sex with Men.

Citação norma Chicago

Semple, Shirley J., Jim Zians, Steffanie A. Strathdee, and Thomas L. Patterson. Sexual Marathons and Methamphetamine Use Among HIV-Positive Men Who Have Sex With Men. 2008.

MLA citiranje

Semple, Shirley J., Jim Zians, Steffanie A. Strathdee, and Thomas L. Patterson. Sexual Marathons and Methamphetamine Use Among HIV-Positive Men Who Have Sex With Men. 2008.