APA (7th ed.) Citation

Edwards, Z. C. (1997). Gastroenterology. Churchill Livingstone.

Chicago Style (17th ed.) Citation

Edwards, Z. Colette. Gastroenterology. New York: Churchill Livingstone, 1997.

MLA (9th ed.) Citation

Edwards, Z. Colette. Gastroenterology. Churchill Livingstone, 1997.