APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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