Cita APA (7a ed.)

Clark, F. E., & Weld, L. (1932). Marketing agricultural products in the united states. Macmillan.

Cita Chicago Style (17a ed.)

Clark, Fred E., y L.D.H Weld. Marketing Agricultural Products in the United States. New York: Macmillan, 1932.

Cita MLA (8a ed.)

Clark, Fred E., y L.D.H Weld. Marketing Agricultural Products in the United States. Macmillan, 1932.