AIDS definition for Africa.

MLA

Van de Perre, P., et al. “AIDS Definition for Africa.” Lancet (London, England), vol. 2, no. 8550, July 1987, pp. 99–100. EBSCOhost, https://doi.org/10.1016/s0140-6736(87)92762-0.

APA

Van de Perre, P., Nzaramba, D., Ntilivamunda, A., Uwimana, A., Lepage, P., Rouvroy, D., Maurel, R., Gatsinzi, T., & Bugingo, G. (1987). AIDS definition for Africa. Lancet (London, England), 2(8550), 99–100. https://doi.org/10.1016/s0140-6736(87)92762-0

Chicago

Van de Perre, P, D Nzaramba, A Ntilivamunda, A Uwimana, P Lepage, D Rouvroy, R Maurel, T Gatsinzi, and G Bugingo. 1987. “AIDS Definition for Africa.” Lancet (London, England) 2 (8550): 99–100. doi:10.1016/s0140-6736(87)92762-0.