Cita APA (7a ed.)
Ezumah, H., Lawson, T., Federer, W., & Awa, N. (1992). Importance and sustainability of root cropsbased systems in subSaharan Africa.
Cita Chicago Style (17a ed.)
Ezumah, H.C, T.L Lawson, W.T Federer, y N.E Awa. Importance and Sustainability of Root Cropsbased Systems in SubSaharan Africa. 1992.
Cita MLA (9a ed.)
Ezumah, H.C, et al. Importance and Sustainability of Root Cropsbased Systems in SubSaharan Africa. 1992.
Precaución: Estas citas no son 100% exactas.