APA (7th ed.) Citation

Johnson, D. G., Antle, J. M., & Sumner, D. A. (1996). The economics of agriculture. University of Chicago Press.

Chicago Style (17th ed.) Citation

Johnson, D. Gale, John M. Antle, and Daniel A. Sumner. The Economics of Agriculture. Chicago: University of Chicago Press, 1996.

MLA (9th ed.) Citation

Johnson, D. Gale, et al. The Economics of Agriculture. University of Chicago Press, 1996.