Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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