Cita APA

Vermund, S. H., Allen, K. L., & Karim, Q. A. (2009). HIV-prevention science at a crossroads: Advances in reducing sexual risk.

Chicago Style Citation

Vermund, Sten H., Katherine L. Allen, i Quarraisha Abdool Karim. HIV-prevention Science At a Crossroads: Advances in Reducing Sexual Risk. 2009.

Cita MLA

Vermund, Sten H., Katherine L. Allen, i Quarraisha Abdool Karim. HIV-prevention Science At a Crossroads: Advances in Reducing Sexual Risk. 2009.

Atenció: Aquestes cites poden no estar 100% correctes.