Cita APA (7a ed.)

Babiker, A., Darbyshire, J., Pezzotti, P., Porter, K., Rezza, G., Walker, S., . . . Katsarou, O. (2002). Changes over calendar time in the risk of specific first AIDS-defining events following HIV seroconversion, adjusting for competing risks.

Cita Chicago Style (17a ed.)

Babiker, A., et al. Changes over Calendar Time in the Risk of Specific First AIDS-defining Events Following HIV Seroconversion, Adjusting for Competing Risks. 2002.

Cita MLA (9a ed.)

Babiker, A., et al. Changes over Calendar Time in the Risk of Specific First AIDS-defining Events Following HIV Seroconversion, Adjusting for Competing Risks. 2002.