APA (7th ed.) Citation

HK, A., HT, M., & CJ, H. (1990). Ectopic pregnancy concurrent with induced abortion: Incidence and mortality. American journal of obstetrics and gynecology, 162(3), 726. https://doi.org/10.1016/0002-9378(90)90995-j

Chicago Style (17th ed.) Citation

HK, Atrash, MacKay HT, and Hogue CJ. "Ectopic Pregnancy Concurrent with Induced Abortion: Incidence and Mortality." American Journal of Obstetrics and Gynecology 162, no. 3 (1990): 726. https://doi.org/10.1016/0002-9378(90)90995-j.

MLA (9th ed.) Citation

HK, Atrash, et al. "Ectopic Pregnancy Concurrent with Induced Abortion: Incidence and Mortality." American Journal of Obstetrics and Gynecology, vol. 162, no. 3, 1990, p. 726, https://doi.org/10.1016/0002-9378(90)90995-j.