Cita APA (7a ed.)

Johnson, L. R., & Alpers, D. H. (1994). Physiology of the gastrointestinal tract (3rd ed.). Raven Press.

Cita Chicago Style (17a ed.)

Johnson, Leonard R., y David H. Alpers. Physiology of the Gastrointestinal Tract. 3rd ed. New York: Raven Press, 1994.

Cita MLA (9a ed.)

Johnson, Leonard R., y David H. Alpers. Physiology of the Gastrointestinal Tract. 3rd ed. Raven Press, 1994.