APA (7th ed.) Citation

Keighley, M. R. B., & Williams, N. S. (1999). Surgery of the anus, rectum and colon (2nd edition.). W. B. Saunders.

Chicago Style (17th ed.) Citation

Keighley, Michael R. B., and Norman S. Williams. Surgery of the Anus, Rectum and Colon. 2nd edition. London: W. B. Saunders, 1999.

MLA (8th ed.) Citation

Keighley, Michael R. B., and Norman S. Williams. Surgery of the Anus, Rectum and Colon. 2nd edition. W. B. Saunders, 1999.