APA (7th ed.) Citation
Henriet, J., Ek, G. v., Blade, S., & Singh, B. (1997). Quantitative assessment of traditional cropping systems in the Sudan savanna of northern Nigeria: I. Rapid survey of prevalent cropping systems.
Chicago Style (17th ed.) Citation
Henriet, J., G.A. van Ek, S. Blade, and B. Singh. Quantitative Assessment of Traditional Cropping Systems in the Sudan Savanna of Northern Nigeria: I. Rapid Survey of Prevalent Cropping Systems. 1997.
MLA (9th ed.) Citation
Henriet, J., et al. Quantitative Assessment of Traditional Cropping Systems in the Sudan Savanna of Northern Nigeria: I. Rapid Survey of Prevalent Cropping Systems. 1997.
Warning: These citations may not always be 100% accurate.