APA aipamena

Nelson, K. E., Galai, N., Safaeian, M., Strathdee, S. A., Celentano, D. D., & Vlahov, D. (2002). Temporal Trends in the Incidence of Human Immunodeficiency Virus Infection and Risk Behavior among Injection Drug Users in Baltimore, Maryland, 1988-1998.

Chicago Style aipamena

Nelson, Kenrad E., Noya Galai, Mahboobeh Safaeian, Steffanie A. Strathdee, David D. Celentano, and David Vlahov. Temporal Trends in the Incidence of Human Immunodeficiency Virus Infection and Risk Behavior Among Injection Drug Users in Baltimore, Maryland, 1988-1998. 2002.

MLA aipamena

Nelson, Kenrad E., et al. Temporal Trends in the Incidence of Human Immunodeficiency Virus Infection and Risk Behavior Among Injection Drug Users in Baltimore, Maryland, 1988-1998. 2002.