APA (7th ed.) Citation

H, T., SW, W., W, M., KFK, F., K, D., & GG, R. (2004). The association between fetal sex and preterm birth in twin pregnancies. Obstetrics & Gynecology, 103(2), 327. https://doi.org/10.1097/01.aog.0000109427.85586.71

Chicago Style (17th ed.) Citation

H, Tan, Wen SW, Mark W, Fung KFK, Demissie K, and Rhoads GG. "The Association Between Fetal Sex and Preterm Birth in Twin Pregnancies." Obstetrics & Gynecology 103, no. 2 (2004): 327. https://doi.org/10.1097/01.aog.0000109427.85586.71.

MLA (9th ed.) Citation

H, Tan, et al. "The Association Between Fetal Sex and Preterm Birth in Twin Pregnancies." Obstetrics & Gynecology, vol. 103, no. 2, 2004, p. 327, https://doi.org/10.1097/01.aog.0000109427.85586.71.