APA (7th ed.) Citation

Callahan, T. L., Caughey, A. B., & Heffner, L. J. (2004). Blueprints obstetrics & gynecology (3rd ed.). Blackwell Publishing.

Chicago Style (17th ed.) Citation

Callahan, Tamara L., Aaron B. Caughey, and Linda J. Heffner. Blueprints Obstetrics & Gynecology. 3rd ed. Malden, Mass: Blackwell Publishing, 2004.

MLA (9th ed.) Citation

Callahan, Tamara L., et al. Blueprints Obstetrics & Gynecology. 3rd ed. Blackwell Publishing, 2004.