APA (7th ed.) Citation

AF, H., EY, C., SM, S., & KN, S. (2013). In reply. Obstetrics and gynecology, 122(6), 1306. https://doi.org/10.1097/AOG.0000000000000037

Chicago Style (17th ed.) Citation

AF, Hawk, Chang EY, Shields SM, and Simpson KN. "In Reply." Obstetrics and Gynecology 122, no. 6 (2013): 1306. https://doi.org/10.1097/AOG.0000000000000037.

MLA (9th ed.) Citation

AF, Hawk, et al. "In Reply." Obstetrics and Gynecology, vol. 122, no. 6, 2013, p. 1306, https://doi.org/10.1097/AOG.0000000000000037.