APA (7th ed.) Citation
Astatke, A., Jutzi, S., & Tedla, A. (1989). Sequential cropping of Vertisols in the Ethiopian highlands using a broadbed-and-furrow system.
Chicago Style (17th ed.) Citation
Astatke, A., S.C Jutzi, and A. Tedla. Sequential Cropping of Vertisols in the Ethiopian Highlands Using a Broadbed-and-furrow System. 1989.
MLA (9th ed.) Citation
Astatke, A., et al. Sequential Cropping of Vertisols in the Ethiopian Highlands Using a Broadbed-and-furrow System. 1989.
Warning: These citations may not always be 100% accurate.