Cita APA (7a ed.)
Phiri, S., Barrios, E., Rao, I. M., & Singh, B. (2001). Changes in soil organic matter and phosphorus fractions under planted fallows and a crop rotation system on a Colombian volcanic-ash soil. Springer.
Cita Chicago Style (17a ed.)
Phiri, S., E. Barrios, Idupulapati M. Rao, y B.R Singh. Changes in Soil Organic Matter and Phosphorus Fractions Under Planted Fallows and a Crop Rotation System on a Colombian Volcanic-ash Soil. Springer, 2001.
Cita MLA (9a ed.)
Phiri, S., et al. Changes in Soil Organic Matter and Phosphorus Fractions Under Planted Fallows and a Crop Rotation System on a Colombian Volcanic-ash Soil. Springer, 2001.
Precaución: Estas citas no son 100% exactas.