Cita APA (7a ed.)

Smul, J. (1940). Diseases of the digestive system and food allergy. Medical Library.

Cita Chicago Style (17a ed.)

Smul, Josef. Diseases of the Digestive System and Food Allergy. New York: Medical Library, 1940.

Cita MLA (8a ed.)

Smul, Josef. Diseases of the Digestive System and Food Allergy. Medical Library, 1940.