APA (7th ed.) Citation

(1986). Colorectal tumors. Lippincott.

Chicago Style (17th ed.) Citation

Colorectal Tumors. Philadelphia [u.a.]: Lippincott, 1986.

MLA (9th ed.) Citation

Colorectal Tumors. Lippincott, 1986.

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