Cita APA (7a ed.)
Okechukwu, R., & Ekpo, E. (2004). Sources of resistance to cowpea bacterial blight disease in Nigeria. Wiley.
Cita Chicago Style (17a ed.)
Okechukwu, R.U, y E.J Ekpo. Sources of Resistance to Cowpea Bacterial Blight Disease in Nigeria. Wiley, 2004.
Cita MLA (9a ed.)
Okechukwu, R.U, y E.J Ekpo. Sources of Resistance to Cowpea Bacterial Blight Disease in Nigeria. Wiley, 2004.
Precaución: Estas citas no son 100% exactas.