Cita APA (7a ed.)

Bockus, H. L. (1943). Gastro-enterology. Saunders Company (W. B.).

Cita Chicago Style (17a ed.)

Bockus, Henry L. Gastro-enterology. Philadelphia: Saunders Company (W. B.), 1943.

Cita MLA (9a ed.)

Bockus, Henry L. Gastro-enterology. Saunders Company (W. B.), 1943.