APA (7th ed.) Citation

Cotton, P. B., & Sleisenger, M. H. (1990). Practical gastrointestinal endoscopy. Blackwell Scientific Publications.

Chicago Style (17th ed.) Citation

Cotton, Peter B., and Marvin H. Sleisenger. Practical Gastrointestinal Endoscopy. Oxford: Blackwell Scientific Publications, 1990.

MLA (8th ed.) Citation

Cotton, Peter B., and Marvin H. Sleisenger. Practical Gastrointestinal Endoscopy. Blackwell Scientific Publications, 1990.

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