Bales, K.L. (2017) Oxytocin, vasopressin, and the development o
f social behavior in primates. In: Evolution of Nervous Systems, 2nd edition, eds. J. Kaas and L.A. Krubitzer, Elsevier Press.
Beetz, A., Bales, K. (2016) Affiliation in human-animal interaction. 
In: The Social Neuroscience of Human-Animal Interaction, eds. L.S. Freund, S. McCune, L. Esposito, N.R. Gee, P. McCardle, American Psychological Association, pp. 107-125.
Becker, J., Baker, A.J., Frampton, T., Pullen, P.K., Bales, K.L., 
Mendoza, S.P., Mason, W.A. (2013) Pitheciines in captivity: challenges and opportunities, past, present and future. In: Evolutionary Biology and Conservation of Titis, Sakis, and Uacaris, eds. S. Ferrari, L.M. Veiga, A.A. Barnett, and M.A. Norconk, Cambridge University Press, pp. 344-349.
Ragen, B., Bales, K.L. (2013) Oxytocin and vasopressin in non-h
uman primates. In: Oxytocin, Vasopressin and Related Peptides in the Regulation of Behavior., eds. E. Choleris and M. Kavaliers, Cambridge University Press, pp. 288-306.
Bales, K.L., Jarcho, M.R. (2012) Fathering 
in non-human primates. In: Handbook of Father Involvement: Multidisciplinary Perspectives, eds. N. Cabrera, C.S. Tamis-LeMonda, Taylor and Francis, Inc., pp. 37-53.
Bales, K.L., Maninger, N., Hinde, K. (2012) New directions in the 
neurobiology and physiology of paternal care. In: Relationship Science: Integrating Evolutionary, Neuroscience, and Sociocultural Approaches, eds. O. Gillath, G. Adams, A. Kunkel, American Psychological Association, pp. 91-111.
Bales, K.L., Kitzmann, C.D. (2011) Animal models for computing and 
communications: Past approaches and future challenges. In: Bio-inspired Computing and Networking, eds. Yang Xiao and Fei Hu, Auerbach Publications, CRC Press, pp. 3-18.
Bales, K.L., Hostetler, C.M. (2010) Hormones and 
reproductive cycles in rodents. In: Hormones and Reproduction of Vertebrates, Vol. 5, eds. David O. Norris and Kristin H. Lopez, Elsevier, pp. 215-240.
Bales, K.L., Carter, C.S. (2009) Neuroendocrine mechanisms 
of social bonds and child-parent attachment, from the child’s perspective. In: Handbook of Developmental Social Neuroscience, eds. M. Gunnar and M. de Haan, Guilford Press, pp. 246-264.
Carter, C.S., Boone, E., Grippo, A.J., Ruscio, M.G., Bales, K.L. (2009)
The endocrinology of social relationships in rodents. In: The Endocrinology of Social Relationships, eds. P. Gray and P. Ellison. Cambridge: Harvard University Press, pp. 121 – 137.
Carter, C.S., Boone, E.M., Bales, K.L. (2008) Early experience and the 
developmental programming of oxytocin and vasopressin. In: Neurobiology of the Parental Brain, ed. Robert Bridges, Academic Press, pp. 417-434.
Bales, K.L., and C.S. Carter (2007) 
Neuropeptides and the Development of Social Behaviors: Implications for Adolescent Psychopathology. In: Adolescent Psychopathology and the Developing Brain, eds. D. Romer and E. Walker, Oxford University Press, pp. 173-196.
Baker, A., Bales, K., and J.M. Dietz (2002) 
Mating System and Group Dynamics in Golden Lion Tamarins (Leontopithecus rosalia). In: Lion Tamarins: Biology and Conservation, D.G. Kleiman & A.B. Rylands, Eds. Washington, D.C.: Smithsonian Institution Press, pp. 188-212.
French, J.A., de Vleeschouwer, K., Bales, K., and M. Heistermann (2002). Reproductive Biology of Lion Tamarins. In: Lion Tamarins: Biology and Conservation, D.G. Kleiman & A.B. Rylands, Eds. Washington, D.C.: Smithsonian Institution Press, pp. 133 – 156.