A word on chills.

MLA

Kopterides, Petros, and Evgenia Sklirou. “A Word on Chills.” The American Journal of Medicine, vol. 120, no. 2, Feb. 2007, p. e21. EBSCOhost, https://doi.org/10.1016/j.amjmed.2006.01.027.

APA

Kopterides, P., & Sklirou, E. (2007). A word on chills. The American Journal of Medicine, 120(2), e21. https://doi.org/10.1016/j.amjmed.2006.01.027

Chicago

Kopterides, Petros, and Evgenia Sklirou. 2007. “A Word on Chills.” The American Journal of Medicine 120 (2): e21. doi:10.1016/j.amjmed.2006.01.027.