Cita APA (7a ed.)
Ruppenthal, M., Leihner, D., Steinmuller, N., & El-Sharkawy, M. A. (1997). Losses of organic matter and nutrient by water erosion in cassava-based cropping systems. Cambridge University Press.
Cita Chicago Style (17a ed.)
Ruppenthal, M., D.E Leihner, N. Steinmuller, y Mabrouk A. El-Sharkawy. Losses of Organic Matter and Nutrient by Water Erosion in Cassava-based Cropping Systems. Cambridge University Press, 1997.
Cita MLA (9a ed.)
Ruppenthal, M., et al. Losses of Organic Matter and Nutrient by Water Erosion in Cassava-based Cropping Systems. Cambridge University Press, 1997.
Precaución: Estas citas no son 100% exactas.