APA (7th ed.) Citation

Callahan, T. L., & Caughey, A. B. (2018). Blueprints obstetrics & gynecology (Seventh edition.). Wolters Kluwer Health.

Chicago Style (17th ed.) Citation

Callahan, Tamara L., and Aaron B. Caughey. Blueprints Obstetrics & Gynecology. Seventh edition. Philadelphia: Wolters Kluwer Health, 2018.

MLA (9th ed.) Citation

Callahan, Tamara L., and Aaron B. Caughey. Blueprints Obstetrics & Gynecology. Seventh edition. Wolters Kluwer Health, 2018.