A survey of maternal deaths in Maryland

MLA

J.H.Mason Knox. “A Survey of Maternal Deaths in Maryland.” American Journal of Obstetrics and Gynecology, vol. 21, Jan. 1931, pp. 143–47. EBSCOhost, https://doi.org/10.1016/s0002-9378(31)90867-3.

APA

J.H.Mason Knox. (1931). A survey of maternal deaths in Maryland. American Journal of Obstetrics and Gynecology, 21, 143–147. https://doi.org/10.1016/s0002-9378(31)90867-3

Chicago

J.H.Mason Knox. 1931. “A Survey of Maternal Deaths in Maryland.” American Journal of Obstetrics and Gynecology 21 (January): 143–47. doi:10.1016/s0002-9378(31)90867-3.