Cita APA (7a ed.)
Astatke, A., Jutzi, S., & Tedla, A. (1989). Sequential cropping of Vertisols in the Ethiopian highlands using a broadbed-and-furrow system.
Cita Chicago Style (17a ed.)
Astatke, A., S.C Jutzi, y A. Tedla. Sequential Cropping of Vertisols in the Ethiopian Highlands Using a Broadbed-and-furrow System. 1989.
Cita MLA (9a ed.)
Astatke, A., et al. Sequential Cropping of Vertisols in the Ethiopian Highlands Using a Broadbed-and-furrow System. 1989.
Precaución: Estas citas no son 100% exactas.