Gabbe, S. G., & I. Niebyl, J. R. Study guide for obstetrics: Normal and problem pregnancies / Edited by Steven G. Gabbe, Jennifer R. Niebyl, Joe Leigh Simpson ; with the assistance of Sarina Grosswald (2.). New York : Churchill Livingstone.
Chicago Style CitationGabbe, Steven G., and Jennifer R. I. Niebyl. Study Guide for Obstetrics: Normal and Problem Pregnancies / Edited By Steven G. Gabbe, Jennifer R. Niebyl, Joe Leigh Simpson ; With the Assistance of Sarina Grosswald. 2. New York : Churchill Livingstone.
MLA CitationGabbe, Steven G., and Jennifer R. I. Niebyl. Study Guide for Obstetrics: Normal and Problem Pregnancies / Edited By Steven G. Gabbe, Jennifer R. Niebyl, Joe Leigh Simpson ; With the Assistance of Sarina Grosswald. 2. New York : Churchill Livingstone.