Cunningham, f. g. (2010). Williams Obstetrics. McGraw-Hill Book Company.
Cita Chicago Style (17a ed.)Cunningham, f. gary. Williams Obstetrics. McGraw-Hill Book Company, 2010.
Cita MLA (9a ed.)Cunningham, f. gary. Williams Obstetrics. McGraw-Hill Book Company, 2010.
Precaución: Estas citas no son 100% exactas.