Cita APA (7a ed.)

Davis, K. C. (1917). Productive farming (3d ed., rev. and enl.). J.B. Lippincott company.

Cita Chicago Style (17a ed.)

Davis, Kary Cadmus. Productive Farming. 3d ed., rev. and enl. Philadelphia and London: J.B. Lippincott company, 1917.

Cita MLA (8a ed.)

Davis, Kary Cadmus. Productive Farming. 3d ed., rev. and enl. J.B. Lippincott company, 1917.