APA (7th ed.) Citation

The Diagram Group. (2005). The facts on file illustrated guide to the human body: Digestive system. Facts On File.

Chicago Style (17th ed.) Citation

The Diagram Group. The Facts on File Illustrated Guide to the Human Body: Digestive System. New York: Facts On File, 2005.

MLA (9th ed.) Citation

The Diagram Group. The Facts on File Illustrated Guide to the Human Body: Digestive System. Facts On File, 2005.