Approaching the asymptote: 20 years later.

MLA

Medzhitov, Ruslan. “Approaching the Asymptote: 20 Years Later.” Immunity, vol. 30, no. 6, June 2009, pp. 766–75. EBSCOhost, https://doi.org/10.1016/j.immuni.2009.06.004.

APA

Medzhitov, R. (2009). Approaching the asymptote: 20 years later. Immunity, 30(6), 766–775. https://doi.org/10.1016/j.immuni.2009.06.004

Chicago

Medzhitov, Ruslan. 2009. “Approaching the Asymptote: 20 Years Later.” Immunity 30 (6): 766–75. doi:10.1016/j.immuni.2009.06.004.