APA (7th ed.) Citation

Schafer, J. (1936). The social history of American agriculture. Macmillan.

Chicago Style (17th ed.) Citation

Schafer, Joseph. The Social History of American Agriculture. New York: Macmillan, 1936.

MLA (8th ed.) Citation

Schafer, Joseph. The Social History of American Agriculture. Macmillan, 1936.