APA (7th ed.) Citation

Gray, P. (1998). Diseases of the digestive system. J. A. Allen.

Chicago Style (17th ed.) Citation

Gray, Peter. Diseases of the Digestive System. London: J. A. Allen, 1998.

MLA (9th ed.) Citation

Gray, Peter. Diseases of the Digestive System. J. A. Allen, 1998.

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