APA

Alexander J. M., Leveno K. J., Hauth J. C., Landon M. B., Gilbert S., Spong C. Y., Varner M. W., Caritis S. N., Meis P., Wapner R. J., Sorokin Y., Miodovnik M., O'Sullivan M. J., Sibai B. M., Langer O. & Gabbe S. G. (20100315). Failed operative vaginal delivery. : Obstetrics and gynecology.

Chicago

Alexander James M, Leveno Kenneth J, Hauth John C, Landon Mark B, Gilbert Sharon, Spong Catherine Y, Varner Michael W, Caritis Steve N, Meis Paul, Wapner Ronald J, Sorokin Yoram, Miodovnik Menachem, O'Sullivan Mary J, Sibai Baha M, Langer Oded and Gabbe Steven G. 20100315. Failed operative vaginal delivery. : Obstetrics and gynecology.

Harvard

Alexander J. M., Leveno K. J., Hauth J. C., Landon M. B., Gilbert S., Spong C. Y., Varner M. W., Caritis S. N., Meis P., Wapner R. J., Sorokin Y., Miodovnik M., O'Sullivan M. J., Sibai B. M., Langer O. and Gabbe S. G. (20100315). Failed operative vaginal delivery. : Obstetrics and gynecology.

MLA

Alexander James M, Leveno Kenneth J, Hauth John C, Landon Mark B, Gilbert Sharon, Spong Catherine Y, Varner Michael W, Caritis Steve N, Meis Paul, Wapner Ronald J, Sorokin Yoram, Miodovnik Menachem, O'Sullivan Mary J, Sibai Baha M, Langer Oded and Gabbe Steven G. Failed operative vaginal delivery. : Obstetrics and gynecology. 20100315.