APA (7th ed.) Citation
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.
Chicago Style (17th ed.) Citation
Phiri, S., E. Barrios, Idupulapati M. Rao, and 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.
MLA (9th ed.) Citation
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.
Warning: These citations may not always be 100% accurate.