APA (7th ed.) Citation

Callahan, T. L., & Caughey, A. B. (1997). Blueprints in obstetrics and gynecology. Blackwell Science.

Chicago Style (17th ed.) Citation

Callahan, Tamara L., and Aaron B. Caughey. Blueprints in Obstetrics and Gynecology. Oxford: Blackwell Science, 1997.

MLA (9th ed.) Citation

Callahan, Tamara L., and Aaron B. Caughey. Blueprints in Obstetrics and Gynecology. Blackwell Science, 1997.