APA   Click to copy
Roberts, S. G. B., Arrow, H., Lehmann, J., & Dunbar, R. (2014). Close social relationships: An evolutionary perspective. In R. Dunbar, C. Gamble, & J. Gowlett (Eds.), Lucy to Language The Benchmark Papers (pp. 151–180). Oxford University Press.

Chicago/Turabian   Click to copy
Roberts, SGB, H Arrow, J Lehmann, and R Dunbar. “Close Social Relationships: An Evolutionary Perspective.” In Lucy to Language The Benchmark Papers, edited by R Dunbar, C Gamble, and J Gowlett, 151–180. Oxford University Press, 2014.

MLA   Click to copy
Roberts, S. GB, et al. “Close Social Relationships: An Evolutionary Perspective.” Lucy to Language The Benchmark Papers, edited by R Dunbar et al., Oxford University Press, 2014, pp. 151–80.

@incollection{roberts2014a,
  title = {Close social relationships: An evolutionary perspective},
  year = {2014},
  month = feb,
  pages = {151--180},
  publisher = {Oxford University Press},
  author = {Roberts, SGB and Arrow, H and Lehmann, J and Dunbar, R},
  editor = {Dunbar, R and Gamble, C and Gowlett, J},
  booktitle = {Lucy to Language The Benchmark Papers},
  month_numeric = {2}
}