Cita APA (7a ed.)
Hulugalle, N., Ezumah, H., & Leyman, T. (1994). Changes in surface soil properties of a notilled tropical Alfisol due to intercropping maize, cassava and egusi melon. Elsevier.
Cita Chicago Style (17a ed.)
Hulugalle, N., H.C Ezumah, y T. Leyman. Changes in Surface Soil Properties of a Notilled Tropical Alfisol Due to Intercropping Maize, Cassava and Egusi Melon. Elsevier, 1994.
Cita MLA (9a ed.)
Hulugalle, N., et al. Changes in Surface Soil Properties of a Notilled Tropical Alfisol Due to Intercropping Maize, Cassava and Egusi Melon. Elsevier, 1994.
Precaución: Estas citas no son 100% exactas.