Cita APA (7a ed.)

ebrary, Inc, & Lockeretz, W. (2007). Organic farming: An international history. CABI.

Cita Chicago Style (17a ed.)

ebrary, Inc, y William Lockeretz. Organic Farming: An International History. Cambridge, MA: CABI, 2007.

Cita MLA (9a ed.)

ebrary, Inc, y William Lockeretz. Organic Farming: An International History. CABI, 2007.