Cita APA (7a ed.)

Ikerd, J. E. (2008). Crisis and Opportunity: Sustainability in American Agriculture. University of Nebraska Press.

Cita Chicago Style (17a ed.)

Ikerd, John E. Crisis and Opportunity: Sustainability in American Agriculture. Lincoln: University of Nebraska Press, 2008.

Cita MLA (8a ed.)

Ikerd, John E. Crisis and Opportunity: Sustainability in American Agriculture. University of Nebraska Press, 2008.