Williams, W. (1997). Williams obstetrics (20th ed.). Appleton & Lange.
Chicago Style (17th ed.) CitationWilliams, Whitridge. Williams Obstetrics. 20th ed. Stamford,Connecticut: Appleton & Lange, 1997.
MLA (9th ed.) CitationWilliams, Whitridge. Williams Obstetrics. 20th ed. Appleton & Lange, 1997.
Warning: These citations may not always be 100% accurate.