APA (7th ed.) Citation

KK, A., RM, T., Y, G., RL, C., EJ, A., & G, V. (2005). Replicative fitness of historical and recent HIV-1 isolates suggests HIV-1 attenuation over time. AIDS (London, England), 19(15), 1555. https://doi.org/10.1097/01.aids.0000185989.16477.91

Chicago Style (17th ed.) Citation

KK, Ariën, Troyer RM, Gali Y, Colebunders RL, Arts EJ, and Vanham G. "Replicative Fitness of Historical and Recent HIV-1 Isolates Suggests HIV-1 Attenuation over Time." AIDS (London, England) 19, no. 15 (2005): 1555. https://doi.org/10.1097/01.aids.0000185989.16477.91.

MLA (9th ed.) Citation

KK, Ariën, et al. "Replicative Fitness of Historical and Recent HIV-1 Isolates Suggests HIV-1 Attenuation over Time." AIDS (London, England), vol. 19, no. 15, 2005, p. 1555, https://doi.org/10.1097/01.aids.0000185989.16477.91.