APA (7th ed.) Citation
Asadu, C., Dixon, A., & Okechukwu, R. (2002). Comparative evaluation of the contributions of soil physicochemical properties to variations in the yields of four major staple food crops in eastern Nigeria. Elsevier.
Chicago Style (17th ed.) Citation
Asadu, C., A. Dixon, and R. Okechukwu. Comparative Evaluation of the Contributions of Soil Physicochemical Properties to Variations in the Yields of Four Major Staple Food Crops in Eastern Nigeria. Elsevier, 2002.
MLA (9th ed.) Citation
Asadu, C., et al. Comparative Evaluation of the Contributions of Soil Physicochemical Properties to Variations in the Yields of Four Major Staple Food Crops in Eastern Nigeria. Elsevier, 2002.
Warning: These citations may not always be 100% accurate.