MLA

Adoption of Genetically Engineered Crops In the U.s., 1996-2009. USA: Economic Research Service, U.S. Department of Agriculture, Washington , D.C, 2009.

APA

(2009). Adoption of genetically engineered crops in the U.S., 1996-2009. USA: Economic Research Service, U.S. Department of Agriculture, Washington , D.C.

Chicago

Adoption of Genetically Engineered Crops In the U.S., 1996-2009. USA: Economic Research Service, U.S. Department of Agriculture, Washington , D.C, 2009.