Cita APA (7th ed.)

Clampitt, C. (2015). Midwest maize: How corn shaped the U.S. heartland. University of Illinois Press.

Cita Chicago (17th ed.)

Clampitt, Cynthia. Midwest Maize: How Corn Shaped the U.S. Heartland. Urbana, Illinois: University of Illinois Press, 2015.

Cita MLA (9th ed.)

Clampitt, Cynthia. Midwest Maize: How Corn Shaped the U.S. Heartland. University of Illinois Press, 2015.

Atenció: Aquestes cites poden no estar 100% correctes.