Boyle, Sarah A., Smith, Andrew T., Spironello, Wilson R., and Zartman, Charles E. 2013. "Behavioral ecology of northern bearded sakis (Chiropotes satanas chiropotes) living in forest fragments of Central Brazilian Amazonia." In Evolutionary Biology and Conservation of Titis, Sakis and Uacaris. Veiga, Liza M., Barnett, Adrian A., Ferrari, Stephen F., and Norconk, Marilyn A., editors. 255–261. Cambridge: Cambridge University Press. In Cambridge Studies in Biological and Evolutionary Antrhopology v.65.