APA (7th ed.) Citation

Pool, V., & Iskander, J. (2006). Safety of influenza vaccination during pregnancy. American journal of obstetrics and gynecology, 194(4), 1200. https://doi.org/10.1016/j.ajog.2005.07.091

Chicago Style (17th ed.) Citation

Pool, Vitali, and John Iskander. "Safety of Influenza Vaccination During Pregnancy." American Journal of Obstetrics and Gynecology 194, no. 4 (2006): 1200. https://doi.org/10.1016/j.ajog.2005.07.091.

MLA (9th ed.) Citation

Pool, Vitali, and John Iskander. "Safety of Influenza Vaccination During Pregnancy." American Journal of Obstetrics and Gynecology, vol. 194, no. 4, 2006, p. 1200, https://doi.org/10.1016/j.ajog.2005.07.091.