Style de citation APA (7e éd.)

DeGregori, T. R. (2004). Origins of the organic agriculture debate. Blackwell.

Style de citation Chicago (17e éd.)

DeGregori, Thomas R. Origins of the Organic Agriculture Debate. Iowa City: Blackwell, 2004.

Style de citation MLA (9e éd.)

DeGregori, Thomas R. Origins of the Organic Agriculture Debate. Blackwell, 2004.