APA (7th ed.) Citation
Basamba, T., Barrios, E., Amézquita Collazos, E., Rao, I. M., & Singh, B. (2006). Tillage effects on maize yield in a Colombian savanna oxisol: Soil organic matter and P fractions. Elsevier.
Chicago Style (17th ed.) Citation
Basamba, T.A.A, E. Barrios, Edgar Amézquita Collazos, Idupulapati M. Rao, and B.R Singh. Tillage Effects on Maize Yield in a Colombian Savanna Oxisol: Soil Organic Matter and P Fractions. Elsevier, 2006.
MLA (9th ed.) Citation
Basamba, T.A.A, et al. Tillage Effects on Maize Yield in a Colombian Savanna Oxisol: Soil Organic Matter and P Fractions. Elsevier, 2006.
Warning: These citations may not always be 100% accurate.