Cita APA (7th ed.)

Kohls, R. L. (1990). Marketing of agriculture producrs (7th ed.). Macmillan Publishing Co.

Cita Chicago (17th ed.)

Kohls, Richard L. Marketing of Agriculture Producrs. 7th ed. New York: Macmillan Publishing Co, 1990.

Cita MLA (9th ed.)

Kohls, Richard L. Marketing of Agriculture Producrs. 7th ed. Macmillan Publishing Co, 1990.