Cunningham, F. G., & Williams, J. W. (2011). Williams obstetricia (23a ed.). México, D.F.: McGraw-Hill Interamericana.
Chicago Style CitationCunningham, F. Gary., and J. Whitridge Williams. Williams Obstetricia. 23a ed. México, D.F.: McGraw-Hill Interamericana, 2011.
MLA CitationCunningham, F. Gary., and J. Whitridge Williams. Williams Obstetricia. 23a ed. México, D.F.: McGraw-Hill Interamericana, 2011.
Warning: These citations may not always be 100% accurate.