Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nelson, Kenrad E., Noya Galai, Mahboobeh Safaeian, Steffanie A. Strathdee, David D. Celentano, και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.