APA (7th ed.) Citation
Rao, I. M., Barrios, E., Oberson, A., Ayarza, M. A., & Friesen, D. K. (2001). Opportunities for increasing the efficiency of phosphorus use in tropical agroecosystems. International Center for Tropical Agriculture.
Chicago Style (17th ed.) Citation
Rao, Idupulapati M., E. Barrios, Astrid Oberson, Miguel Angel Ayarza, and Dennis K. Friesen. Opportunities for Increasing the Efficiency of Phosphorus Use in Tropical Agroecosystems. International Center for Tropical Agriculture, 2001.
MLA (9th ed.) Citation
Rao, Idupulapati M., et al. Opportunities for Increasing the Efficiency of Phosphorus Use in Tropical Agroecosystems. International Center for Tropical Agriculture, 2001.
Warning: These citations may not always be 100% accurate.