Cita APA (7a ed.)
Sanginga, N., Okogun, J., Vanlauwe, B., & Dashiell, K. E. (2002). The contribution of nitrogen by promiscuous soybeans to maize based cropping the moist savanna of Nigeria. Springer.
Cita Chicago Style (17a ed.)
Sanginga, N., J. Okogun, Bernard Vanlauwe, y Kenton E. Dashiell. The Contribution of Nitrogen by Promiscuous Soybeans to Maize Based Cropping the Moist Savanna of Nigeria. Springer, 2002.
Cita MLA (9a ed.)
Sanginga, N., et al. The Contribution of Nitrogen by Promiscuous Soybeans to Maize Based Cropping the Moist Savanna of Nigeria. Springer, 2002.
Precaución: Estas citas no son 100% exactas.