Cita APA

Fu, T., Westergaard, R. P., Lau, B., Celentano, D. D., Vlahov, D., Mehta, S. H., & Kirk, G. D. (2012). Changes in sexual and drug-related risk behavior following antiretroviral therapy initiation among HIV-infected injection drug users.

Citación estilo Chicago

Fu, Tsung-chieh, Ryan P. Westergaard, Bryan Lau, David D. Celentano, David Vlahov, Shruti H. Mehta, and Gregory D. Kirk. Changes in Sexual and Drug-related Risk Behavior Following Antiretroviral Therapy Initiation Among HIV-infected Injection Drug Users. 2012.

Cita MLA

Fu, Tsung-chieh, et al. Changes in Sexual and Drug-related Risk Behavior Following Antiretroviral Therapy Initiation Among HIV-infected Injection Drug Users. 2012.

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