APA (7th ed.) Citation

(1979). Infections of the GI tract. Saunders.

Chicago Style (17th ed.) Citation

Infections of the GI Tract. London [u.a.]: Saunders, 1979.

MLA (9th ed.) Citation

Infections of the GI Tract. Saunders, 1979.

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