APA (7th ed.) Citation

AM, E., P, S., & S, G. (2013). Three authors reply. American journal of epidemiology, 178(5), 838. https://doi.org/10.1093/aje/kwt184

Chicago Style (17th ed.) Citation

AM, El-Sayed, Scarborough P, and Galea S. "Three Authors Reply." American Journal of Epidemiology 178, no. 5 (2013): 838. https://doi.org/10.1093/aje/kwt184.

MLA (9th ed.) Citation

AM, El-Sayed, et al. "Three Authors Reply." American Journal of Epidemiology, vol. 178, no. 5, 2013, p. 838, https://doi.org/10.1093/aje/kwt184.