APA (7th ed.) Citation

TJ, G., PJ, R., GG, B., JA, H., MP, N., CV, T., & RK, F. (1992). A randomized, placebo-controlled trial of betamethasone for the prevention of respiratory distress syndrome at 24 to 28 weeks' gestation. American journal of obstetrics and gynecology, 166(2), 646. https://doi.org/10.1016/0002-9378(92)91691-3

Chicago Style (17th ed.) Citation

TJ, Garite, Rumney PJ, Briggs GG, Harding JA, Nageotte MP, Towers CV, and Freeman RK. "A Randomized, Placebo-controlled Trial of Betamethasone for the Prevention of Respiratory Distress Syndrome at 24 to 28 Weeks' Gestation." American Journal of Obstetrics and Gynecology 166, no. 2 (1992): 646. https://doi.org/10.1016/0002-9378(92)91691-3.

MLA (9th ed.) Citation

TJ, Garite, et al. "A Randomized, Placebo-controlled Trial of Betamethasone for the Prevention of Respiratory Distress Syndrome at 24 to 28 Weeks' Gestation." American Journal of Obstetrics and Gynecology, vol. 166, no. 2, 1992, p. 646, https://doi.org/10.1016/0002-9378(92)91691-3.