Cita APA (7a ed.)

Alvarez, W. C. (1928). The mechanics of the digestive tract: An introduction to gastroenterology (2nd ed.). William Heinemann.

Cita Chicago Style (17a ed.)

Alvarez, Walter C. The Mechanics of the Digestive Tract: An Introduction to Gastroenterology. 2nd ed. New York: William Heinemann, 1928.

Cita MLA (9a ed.)

Alvarez, Walter C. The Mechanics of the Digestive Tract: An Introduction to Gastroenterology. 2nd ed. William Heinemann, 1928.