APA-viite

Piantadosi, A., Chohan, B., Chohan, V., McClelland, R. S., & Overbaugh, J. (2007). Chronic HIV-1 Infection Frequently Fails to Protect against Superinfection. Public Library of Science.

Chicago-tyylinen lähdeviittaus

Piantadosi, Anne, Bhavna Chohan, Vrasha Chohan, R. Scott McClelland, ja Julie Overbaugh. Chronic HIV-1 Infection Frequently Fails to Protect against Superinfection. Public Library of Science, 2007.

MLA-viite

Piantadosi, Anne, et al. Chronic HIV-1 Infection Frequently Fails to Protect against Superinfection. Public Library of Science, 2007.

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