Cita APA (7a ed.)

Johnson, L. R. (2006). Physiology of the gastrointestinal tract (4th ed.). Elsevier-Academic Press.

Cita Chicago Style (17a ed.)

Johnson, Leonard R. Physiology of the Gastrointestinal Tract. 4th ed. Amsterdam [etc.]: Elsevier-Academic Press, 2006.

Cita MLA (9a ed.)

Johnson, Leonard R. Physiology of the Gastrointestinal Tract. 4th ed. Elsevier-Academic Press, 2006.