Cita APA (7a ed.)
Astatke, A., Airaksinen, H., & Mohamed-Saleem, M. (1991). Supplementary irrigation for sequential cropping in the Ethiopian highland Vertisols using broadbed and furrow land management system. Elsevier.
Cita Chicago Style (17a ed.)
Astatke, A., H. Airaksinen, y M.A Mohamed-Saleem. Supplementary Irrigation for Sequential Cropping in the Ethiopian Highland Vertisols Using Broadbed and Furrow Land Management System. Elsevier, 1991.
Cita MLA (9a ed.)
Astatke, A., et al. Supplementary Irrigation for Sequential Cropping in the Ethiopian Highland Vertisols Using Broadbed and Furrow Land Management System. Elsevier, 1991.
Precaución: Estas citas no son 100% exactas.