APA (7th ed.) Citation

Gabbe, S. G., Niebyl, J. R., & Simpson, J. L. (2007). Obstetrics: Normal and problem pregnancies (Fifth edition.). Churchill Livingstone/Elsevier.

Chicago Style (17th ed.) Citation

Gabbe, Steven G., Jennifer R. Niebyl, and Joe Leigh Simpson. Obstetrics: Normal and Problem Pregnancies. Fifth edition. Philadelphia, Pa.: Churchill Livingstone/Elsevier, 2007.

MLA (9th ed.) Citation

Gabbe, Steven G., et al. Obstetrics: Normal and Problem Pregnancies. Fifth edition. Churchill Livingstone/Elsevier, 2007.