Cita APA (7a ed.)
Couper, D. (1995). No-till farming in the humid and subhumid tropics of Africa.
Cita Chicago Style (17a ed.)
Couper, D.C. No-till Farming in the Humid and Subhumid Tropics of Africa. 1995.
Cita MLA (9a ed.)
Couper, D.C. No-till Farming in the Humid and Subhumid Tropics of Africa. 1995.
Precaución: Estas citas no son 100% exactas.