Smith, O. (1977). Potatoes: Production, storing, processing (2nd edition.). Avi.
Cita Chicago Style (17a ed.)Smith, Ora. Potatoes: Production, Storing, Processing. 2nd edition. Connecticut: Avi, 1977.
Cita MLA (8a ed.)Smith, Ora. Potatoes: Production, Storing, Processing. 2nd edition. Avi, 1977.
Precaución: Estas citas no son 100% exactas.