APA(7版)引用形式
Ikerd, J. E. (2008). Crisis and opportunity: Sustainability in American agriculture. University of Nebraska Press.
Chicagoスタイル(17版)引用形式
Ikerd, John E. Crisis and Opportunity: Sustainability in American Agriculture. Lincoln: University of Nebraska Press, 2008.
MLA(9版)引用形式
Ikerd, John E. Crisis and Opportunity: Sustainability in American Agriculture. University of Nebraska Press, 2008.
警告: この引用は必ずしも正確ではありません.