APA (7th ed.) Citation
Okike, I., Jabbar, M., Manyong, V. M., Smith, J. W., Akinwumi, J., & Ehui, S. K. (2001). Agricultural intensification and efficiency in the West African savannahs: Evidence from northern Nigeria. International Livestock Research Institute.
Chicago Style (17th ed.) Citation
Okike, Iheanacho, M.A Jabbar, Victor M. Manyong, Jimmy W. Smith, J.A Akinwumi, and Simeon K. Ehui. Agricultural Intensification and Efficiency in the West African Savannahs: Evidence from Northern Nigeria. International Livestock Research Institute, 2001.
MLA (9th ed.) Citation
Okike, Iheanacho, et al. Agricultural Intensification and Efficiency in the West African Savannahs: Evidence from Northern Nigeria. International Livestock Research Institute, 2001.
Warning: These citations may not always be 100% accurate.