APA (7th ed.) Citation

Cunningham, F. G. (2003). Williams obstetrics (21st edition.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Cunningham, F. Gary. Williams Obstetrics. 21st edition. New York: McGraw-Hill, 2003.

MLA (8th ed.) Citation

Cunningham, F. Gary. Williams Obstetrics. 21st edition. McGraw-Hill, 2003.

Warning: These citations may not always be 100% accurate.