Cita APA (7a ed.)
Kang, B., Gichuru, M., Hulugalle, N., & Swift, M. (1991). Soil constraints for sustainable upland crop production in humid and subhumid West Africa.
Cita Chicago Style (17a ed.)
Kang, B., M. Gichuru, N. Hulugalle, y M.J Swift. Soil Constraints for Sustainable Upland Crop Production in Humid and Subhumid West Africa. 1991.
Cita MLA (9a ed.)
Kang, B., et al. Soil Constraints for Sustainable Upland Crop Production in Humid and Subhumid West Africa. 1991.
Precaución: Estas citas no son 100% exactas.