APA引文

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 (17th ed.) Citation

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引文

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