Cita APA (7a ed.)

Manuel, P. D., Walker-Smith, J. A., & Tomkins, A. (1986). Infections of the gastrointestinal tract. Churchill Livingstone.

Cita Chicago Style (17a ed.)

Manuel, P. D., John A. Walker-Smith, y A. Tomkins. Infections of the Gastrointestinal Tract. Edinburgh: Churchill Livingstone, 1986.

Cita MLA (9a ed.)

Manuel, P. D., et al. Infections of the Gastrointestinal Tract. Churchill Livingstone, 1986.