Cite
Trends in Ectopic Pregnancy Mortality in the United States 1980-2007.
MLA
Creanga, Andreea A., et al. “Trends in Ectopic Pregnancy Mortality in the United States 1980-2007.” Obstetrics & Gynecology, vol. 117, no. 4, Apr. 2011, pp. 837–43. EBSCOhost, https://doi.org/10.1097/AOG.0b013e3182113c10.
APA
Creanga, A. A., Shapiro-Mendoza, C. K., Bish, C. L., Zane, S., Berg, C. J., & Callaghan, W. M. (2011). Trends in Ectopic Pregnancy Mortality in the United States 1980-2007. Obstetrics & Gynecology, 117(4), 837–843. https://doi.org/10.1097/AOG.0b013e3182113c10
Chicago
Creanga, Andreea A., Carrie K. Shapiro-Mendoza, Connie L. Bish, Suzanne Zane, Cynthia J. Berg, and William M. Callaghan. 2011. “Trends in Ectopic Pregnancy Mortality in the United States 1980-2007.” Obstetrics & Gynecology 117 (4): 837–43. doi:10.1097/AOG.0b013e3182113c10.