Cita APA (7th ed.)

(2008). Diseases of the colon & rectum. Lippincott Williams & Wilkins.

Cita Chicago (17th ed.)

Diseases of the Colon & Rectum. Hagerstown, Md.: Lippincott Williams & Wilkins, 2008.

Cita MLA (8th ed.)

Diseases of the Colon & Rectum. Lippincott Williams & Wilkins, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.