APA (7th ed.) Citation

Keighley, M. R. B., Williams, N. S., & Sagar, P. (2019). Keighley & Williams' surgery of the anus, rectum and colon (Fourth edition.). CRC Press.

Chicago Style (17th ed.) Citation

Keighley, Michael R. B., Norman S. Williams, and Peter Sagar. Keighley & Williams' Surgery of the Anus, Rectum and Colon. Fourth edition. Boca Raton, FL: CRC Press, 2019.

MLA (9th ed.) Citation

Keighley, Michael R. B., et al. Keighley & Williams' Surgery of the Anus, Rectum and Colon. Fourth edition. CRC Press, 2019.