Cita APA (7a ed.)
Oikeh, S., Kling, J., & Okoruwa, A. (1998). Nitrogen fertilizer management effects on maize grain quality in the West African moist savanna. Wiley.
Cita Chicago Style (17a ed.)
Oikeh, S.O, J.G Kling, y A.E Okoruwa. Nitrogen Fertilizer Management Effects on Maize Grain Quality in the West African Moist Savanna. Wiley, 1998.
Cita MLA (9a ed.)
Oikeh, S.O, et al. Nitrogen Fertilizer Management Effects on Maize Grain Quality in the West African Moist Savanna. Wiley, 1998.
Precaución: Estas citas no son 100% exactas.