Cita APA (7th ed.)

Ovid Technologies, Inc, Evans, A. T., & DeFranco, E. (2015). Manual de obstetricia (8. ed.). Wolters Kluwer Health.

Cita Chicago (17th ed.)

Ovid Technologies, Inc, Arthur T. Evans, i Emily DeFranco. Manual De Obstetricia. 8. ed. Barcelona: Wolters Kluwer Health, 2015.

Cita MLA (9th ed.)

Ovid Technologies, Inc, et al. Manual De Obstetricia. 8. ed. Wolters Kluwer Health, 2015.