Стиль цитування APA (7-ме видання)

Porter, K., Walker, S., Hill, T., Anderson, J., Leen, C., Johnson, M., . . . Sabin, C. (2008). Changes in outcome of persons initiating highly active antiretroviral therapy at a CD4 count less than 50 Cells/mm3.

Чикаго стиль цитування (17-те видання)

Porter, K., et al. Changes in Outcome of Persons Initiating Highly Active Antiretroviral Therapy at a CD4 Count Less than 50 Cells/mm3. 2008.

Стиль цитування MLA (9-ме видання)

Porter, K., et al. Changes in Outcome of Persons Initiating Highly Active Antiretroviral Therapy at a CD4 Count Less than 50 Cells/mm3. 2008.