APA (7th ed.) Citation
Duncan, A. J., Gerard, B. G., Valbuena, D., Blümmel, M., & Tarawali, S. A. (2011). Crop residues in smallholder systems: Pressures and trade-offs. International Livestock Research Institute.
Chicago Style (17th ed.) Citation
Duncan, Alan J., Bruno G. Gerard, Diego Valbuena, Michael Blümmel, and Shirley A. Tarawali. Crop Residues in Smallholder Systems: Pressures and Trade-offs. International Livestock Research Institute, 2011.
MLA (9th ed.) Citation
Duncan, Alan J., et al. Crop Residues in Smallholder Systems: Pressures and Trade-offs. International Livestock Research Institute, 2011.
Warning: These citations may not always be 100% accurate.