Butler, J., Abrams, B., Parker, J., Roberts, J. M., & Laros, R. K. (1993). Supportive nurse-midwife care is associated with a reduced incidence of cesarean section. American journal of obstetrics and gynecology, 168(5), 1407-1413. https://doi.org/10.1016/S0002-9378(11)90773-X
Chicago Style (17th ed.) CitationButler, Jane, Barbara Abrams, Jennifer Parker, James M. Roberts, and Russell K. Laros. "Supportive Nurse-midwife Care Is Associated with a Reduced Incidence of Cesarean Section." American Journal of Obstetrics and Gynecology 168, no. 5 (1993): 1407-1413. https://doi.org/10.1016/S0002-9378(11)90773-X.
MLA (9th ed.) CitationButler, Jane, et al. "Supportive Nurse-midwife Care Is Associated with a Reduced Incidence of Cesarean Section." American Journal of Obstetrics and Gynecology, vol. 168, no. 5, 1993, pp. 1407-1413, https://doi.org/10.1016/S0002-9378(11)90773-X.