APA (7th ed.) Citation
Iwuafor, E., Kang, B., & Ike, I. (1991). Effects of different tillage and crop residue management systems on chemical properties of an Alfisol.
Chicago Style (17th ed.) Citation
Iwuafor, E., B. Kang, and I.F Ike. Effects of Different Tillage and Crop Residue Management Systems on Chemical Properties of an Alfisol. 1991.
MLA (9th ed.) Citation
Iwuafor, E., et al. Effects of Different Tillage and Crop Residue Management Systems on Chemical Properties of an Alfisol. 1991.
Warning: These citations may not always be 100% accurate.