APA (7th ed.) Citation

Davis, K. C. (1920). Productive farming (4th ed., rev. and enl.). J.B. Lippincott company.

Chicago Style (17th ed.) Citation

Davis, Kary Cadmus. Productive Farming. 4th ed., rev. and enl. Philadelphia, London: J.B. Lippincott company, 1920.

MLA (9th ed.) Citation

Davis, Kary Cadmus. Productive Farming. 4th ed., rev. and enl. J.B. Lippincott company, 1920.