Cita APA (7a ed.)
Friesen, D. K. (1995). Culticore: Sustainable crop rotation and ley farming systems for the acid-soil savannas. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Friesen, Dennis K. Culticore: Sustainable Crop Rotation and Ley Farming Systems for the Acid-soil Savannas. International Center for Tropical Agriculture, 1995.
Cita MLA (9a ed.)
Friesen, Dennis K. Culticore: Sustainable Crop Rotation and Ley Farming Systems for the Acid-soil Savannas. International Center for Tropical Agriculture, 1995.
Precaución: Estas citas no son 100% exactas.