Cita APA (7a ed.)
Iwuafor, E., Kang, B., & Ike, I. (1991). Effects of different tillage and crop residue management systems on chemical properties of an Alfisol.
Cita Chicago Style (17a ed.)
Iwuafor, E., B. Kang, y I.F Ike. Effects of Different Tillage and Crop Residue Management Systems on Chemical Properties of an Alfisol. 1991.
Cita MLA (9a ed.)
Iwuafor, E., et al. Effects of Different Tillage and Crop Residue Management Systems on Chemical Properties of an Alfisol. 1991.
Precaución: Estas citas no son 100% exactas.