Male-male affiliation and cooperation characterize the social behavior of the large-bodied pitheciids, Chiropotes and Cacajao: A reviewDOI: info:10.1002/ajp.22404v. 78No. 5Wiley-Blackwell550–560
Gregory, Tremaine and Bowler, Mark. 2016. "Male-male affiliation and cooperation characterize the social behavior of the large-bodied pitheciids, Chiropotes and Cacajao: A review." American Journal of Primatology, 78, (5) 550–560. https://doi.org/10.1002/ajp.22404.