Citazione Stile APA (7a Edizione)

Ovid Technologies, Inc, & Gibbs, R. S. (2009). Obstetricia y ginecología de Danforth (10. ed.). Wolters Kluwer Health/Lippincott Williams & Wilkins.

Citazione stile Chigago Style (17a edizione)

Ovid Technologies, Inc, e Ronald S. Gibbs. Obstetricia Y Ginecología De Danforth. 10. ed. Barcelona: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2009.

Citatione MLA (9a ed.)

Ovid Technologies, Inc, e Ronald S. Gibbs. Obstetricia Y Ginecología De Danforth. 10. ed. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2009.