Citação norma APA

Cook, R. J. (2006). Toward cropping systems that enhance productivity and sustainability. National Academy of Sciences.

Citação norma Chicago

Cook, R. James. Toward Cropping Systems That Enhance Productivity and Sustainability. National Academy of Sciences, 2006.

Citação norma MLA

Cook, R. James. Toward Cropping Systems That Enhance Productivity and Sustainability. National Academy of Sciences, 2006.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.