Cita APA

Cunningham, F. G., Bloom, S. L., & Leveno, K. J. (2018). Williams Obstetrics (25th ed.). New York: McGraw-Hill.

Chicago Style Citation

Cunningham, F. Gary, Steven L. Bloom, i Kenneth J. Leveno. Williams Obstetrics. 25th ed. New York: McGraw-Hill, 2018.

Cita MLA

Cunningham, F. Gary, Steven L. Bloom, i Kenneth J. Leveno. Williams Obstetrics. 25th ed. New York: McGraw-Hill, 2018.