APA (7th ed.) Citation

Gamble, J. R., & Wilbur, D. L. (1965). Current concepts of clinical gastroenterology. Little Brown.

Chicago Style (17th ed.) Citation

Gamble, John R., and Dwight L. Wilbur. Current Concepts of Clinical Gastroenterology. Boston: Little Brown, 1965.

MLA (9th ed.) Citation

Gamble, John R., and Dwight L. Wilbur. Current Concepts of Clinical Gastroenterology. Little Brown, 1965.