APA (7th ed.) Citation

WM, C., CJ, B., Callaghan, W. M., & Berg, C. J. (2003). Pregnancy-related mortality among women aged 35 years and older, United States, 1991-1997. Obstetrics & Gynecology, 102(5), 1015. https://doi.org/10.1097/00006250-200311000-00023

Chicago Style (17th ed.) Citation

WM, Callaghan, Berg CJ, William M. Callaghan, and Cynthia J. Berg. "Pregnancy-related Mortality Among Women Aged 35 Years and Older, United States, 1991-1997." Obstetrics & Gynecology 102, no. 5 (2003): 1015. https://doi.org/10.1097/00006250-200311000-00023.

MLA (9th ed.) Citation

WM, Callaghan, et al. "Pregnancy-related Mortality Among Women Aged 35 Years and Older, United States, 1991-1997." Obstetrics & Gynecology, vol. 102, no. 5, 2003, p. 1015, https://doi.org/10.1097/00006250-200311000-00023.