APA (7th ed.) Citation

Williams, J. W. (1971). Williams obstetrics (14th ed.). Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Williams, J. Whitridge. Williams Obstetrics. 14th ed. New York: Appleton-Century-Crofts, 1971.

MLA (9th ed.) Citation

Williams, J. Whitridge. Williams Obstetrics. 14th ed. Appleton-Century-Crofts, 1971.