Cita APA (7a ed.)
Hartmans, E., & Kuile, C. t. (1983). Current and future trends in tillage in the humid and subhumid tropics.
Cita Chicago Style (17a ed.)
Hartmans, E.H, y C.H. ter Kuile. Current and Future Trends in Tillage in the Humid and Subhumid Tropics. 1983.
Cita MLA (9a ed.)
Hartmans, E.H, y C.H. ter Kuile. Current and Future Trends in Tillage in the Humid and Subhumid Tropics. 1983.
Precaución: Estas citas no son 100% exactas.