Keighley, M. R. B., & Williams, N. S. (1999). Surgery of the anus, rectum and colon (2nd edition.). W. B. Saunders.
Chicago Style (17th ed.) CitationKeighley, Michael R. B., and Norman S. Williams. Surgery of the Anus, Rectum and Colon. 2nd edition. London: W. B. Saunders, 1999.
MLA (8th ed.) CitationKeighley, Michael R. B., and Norman S. Williams. Surgery of the Anus, Rectum and Colon. 2nd edition. W. B. Saunders, 1999.
Warning: These citations may not always be 100% accurate.