Herbert, W. N. P., & Livingston, E. (1997). Cesarean Delivery. In L. M. Nyhus, B. R. J., & J. E. Fischer (Eds.), Mastery of surgery (pp. 1823–1829). Boston: Little, Brown.

Herbert, W. N. P., and E. Livingston. “Cesarean Delivery.” In Mastery of Surgery, edited by L. M. Nyhus, B. R. J., and J. E. Fischer, 1823–29. Boston: Little, Brown, 1997.

Herbert WNP, Livingston E. Cesarean Delivery. In: Nyhus LM, J. BR, Fischer JE, editors. Mastery of surgery. Boston: Little, Brown; 1997. p. 1823–9.

Herbert, W. N. P., and E. Livingston. “Cesarean Delivery.” Mastery of Surgery, edited by L. M. Nyhus et al., Little, Brown, 1997, pp. 1823–29.

Herbert WNP, Livingston E. Cesarean Delivery. In: Nyhus LM, J. BR, Fischer JE, editors. Mastery of surgery. Boston: Little, Brown; 1997. p. 1823–1829.