Cita APA (7a ed.)
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.
Cita Chicago Style (17a ed.)
Duncan, Alan J., Bruno G. Gerard, Diego Valbuena, Michael Blümmel, y Shirley A. Tarawali. Crop Residues in Smallholder Systems: Pressures and Trade-offs. International Livestock Research Institute, 2011.
Cita MLA (9a ed.)
Duncan, Alan J., et al. Crop Residues in Smallholder Systems: Pressures and Trade-offs. International Livestock Research Institute, 2011.
Precaución: Estas citas no son 100% exactas.