APA aipamena

Cunningham, F. G., MacDonald, P. C., Gant, N. F., Leveno, K. J., & Gilstrap III, L. C. (1996). Obstetricia de Williams (4 ed.). Masson.

Chicago Style aipamena

Cunningham, F. Gary, Paul C. MacDonald, Norman F. Gant, Kenneth J. Leveno, and Larry C. Gilstrap III. Obstetricia De Williams. 4 ed. Barcelona: Masson, 1996.

MLA aipamena

Cunningham, F. Gary, et al. Obstetricia De Williams. 4 ed. Masson, 1996.