APA

Curtin S. C., Gregory K. D., Korst L. M. & Uddin S. F. (20150723). Maternal Morbidity for Vaginal and Cesarean Deliveries, According to Previous Cesarean History: New Data From the Birth Certificate, 2013. : National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System.

Chicago

Curtin Sally C, Gregory Kimberly D, Korst Lisa M and Uddin Sayeedha Fg. 20150723. Maternal Morbidity for Vaginal and Cesarean Deliveries, According to Previous Cesarean History: New Data From the Birth Certificate, 2013. : National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System.

Harvard

Curtin S. C., Gregory K. D., Korst L. M. and Uddin S. F. (20150723). Maternal Morbidity for Vaginal and Cesarean Deliveries, According to Previous Cesarean History: New Data From the Birth Certificate, 2013. : National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System.

MLA

Curtin Sally C, Gregory Kimberly D, Korst Lisa M and Uddin Sayeedha Fg. Maternal Morbidity for Vaginal and Cesarean Deliveries, According to Previous Cesarean History: New Data From the Birth Certificate, 2013. : National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System. 20150723.