Cita APA (7a ed.)
Iwuafor, E., Yusuf, A., Abaidoo, R. C., Ulufajo, O., & Sanginga, N. (2007). Residual benefits of two cowpea genotypes and natural fallow to subsequent maize in the northern Guinea savanna of Nigeria. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Iwuafor, E.N.O, A.A Yusuf, Robert C. Abaidoo, OO Ulufajo, y Nteranya Sanginga. Residual Benefits of Two Cowpea Genotypes and Natural Fallow to Subsequent Maize in the Northern Guinea Savanna of Nigeria. International Center for Tropical Agriculture, 2007.
Cita MLA (9a ed.)
Iwuafor, E.N.O, et al. Residual Benefits of Two Cowpea Genotypes and Natural Fallow to Subsequent Maize in the Northern Guinea Savanna of Nigeria. International Center for Tropical Agriculture, 2007.
Precaución: Estas citas no son 100% exactas.