Citazione Stile APA (7a Edizione)

American College of Obstetricians and Gynecologist, Beckmann, C. R., Magri Ruiz, B., Jiménez González, D., & Balandra Ortiz, J. I. (2015). Obstetricia y ginecología (7a. edición.). Wolters Kluwer Health.

Citazione stile Chigago Style (17a edizione)

American College of Obstetricians and Gynecologist, Charles R. Beckmann, Beatriz Magri Ruiz, Diana Jiménez González, e José Ignacio Balandra Ortiz. Obstetricia Y Ginecología. 7a. edición. Barcelona: Wolters Kluwer Health, 2015.

Citatione MLA (9a ed.)

American College of Obstetricians and Gynecologist, et al. Obstetricia Y Ginecología. 7a. edición. Wolters Kluwer Health, 2015.