Cita APA

Cunningham, F. G., Leveno, K. J., Bloom, S. L., & Hauth, J. C. (2010). Williams obstetricia (23 ed.). México: Mc Graw Hill.

Citación estilo Chicago

Cunningham, F. Gary, Kenneth J. Leveno, Steven L. Bloom, and John C. Hauth. Williams Obstetricia. 23 ed. México: Mc Graw Hill, 2010.

Cita MLA

Cunningham, F. Gary, Kenneth J. Leveno, Steven L. Bloom, and John C. Hauth. Williams Obstetricia. 23 ed. México: Mc Graw Hill, 2010.