APA (7th ed.) Citation

(1991). Ulcerative colitis. CRC Press.

Chicago Style (17th ed.) Citation

Ulcerative Colitis. Boca Raton, Fla: CRC Press, 1991.

MLA (9th ed.) Citation

Ulcerative Colitis. CRC Press, 1991.

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