APA (7th ed.) Citation

Keighley, M. R., & Williams, N. S. (1993). Surgery of the anus, rectum and colon. Saunders.

Chicago Style (17th ed.) Citation

Keighley, Michael R.B, and Norman S. Williams. Surgery of the Anus, Rectum and Colon. London [etc.]: Saunders, 1993.

MLA (9th ed.) Citation

Keighley, Michael R.B, and Norman S. Williams. Surgery of the Anus, Rectum and Colon. Saunders, 1993.