Cita APA (7a ed.)

Beckmann, C. R. (2015). Obstetricia y ginecología: American College of Obstetrics and Gynecology (ACOG) (7a ed.). Wolters Kluwer-Lippincott, Williams & Wilkins.

Cita Chicago Style (17a ed.)

Beckmann, Charles R.B. Obstetricia Y Ginecología: American College of Obstetrics and Gynecology (ACOG). 7a ed. Barcelona: Wolters Kluwer-Lippincott, Williams & Wilkins, 2015.

Cita MLA (9a ed.)

Beckmann, Charles R.B. Obstetricia Y Ginecología: American College of Obstetrics and Gynecology (ACOG). 7a ed. Wolters Kluwer-Lippincott, Williams & Wilkins, 2015.