MLA

Sanfilippo, Joseph; Smith, Roger P, et al. Primary Care In Obstetrics and Gynecology. Springer New York, 2007.

APA

Sanfilippo, R. P, Sanfilippo, J. S, Smith, R. P, & Smith, R. Perry. (2007). Primary Care in Obstetrics and Gynecology. Springer New York.

Chicago

Sanfilippo, Joseph; Smith, Roger P., Joseph S Sanfilippo, Roger P Smith, and Roger Perry Smith. Primary Care In Obstetrics and Gynecology. : Springer New York, 2007.