APA (7th ed.) Citation
Cunningham, F. G., Mac Donald, P. C., Gant, N. F., Leveno, K. J., Gilstrap III, L. C., Hankins, G. D., & Clark, S. L. (1998). Williams Obstetricia (20a. ed.). Editorial Médica Panamericana.
Chicago Style (17th ed.) Citation
Cunningham, F. Gary, Paul C. Mac Donald, Norman F. Gant, Kenneth J. Leveno, Larry C. Gilstrap III, Gary D.V Hankins, and Steven L. Clark. Williams Obstetricia. 20a. ed. Buenos Aires: Editorial Médica Panamericana, 1998.
MLA (9th ed.) Citation
Cunningham, F. Gary, et al. Williams Obstetricia. 20a. ed. Editorial Médica Panamericana, 1998.
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