Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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