APA   Click to copy
Roberts, S. G. B., Wilson, R., Fedurek, P., & Dunbar, R. I. M. (2008). Individual differences and personal social network size and structure. PERSONALITY AND INDIVIDUAL DIFFERENCES, 44, 954–964. https://doi.org/10.1016/j.paid.2007.10.033

Chicago/Turabian   Click to copy
Roberts, SGB, R Wilson, P Fedurek, and RIM Dunbar. “Individual Differences and Personal Social Network Size and Structure.” PERSONALITY AND INDIVIDUAL DIFFERENCES 44 (March 1, 2008): 954–964.

MLA   Click to copy
Roberts, S. GB, et al. “Individual Differences and Personal Social Network Size and Structure.” PERSONALITY AND INDIVIDUAL DIFFERENCES, vol. 44, PERGAMON-ELSEVIER SCIENCE LTD, Mar. 2008, pp. 954–64, doi:10.1016/j.paid.2007.10.033.

@article{roberts2008a,
  title = {Individual differences and personal social network size and structure},
  year = {2008},
  month = mar,
  day = {1},
  journal = {PERSONALITY AND INDIVIDUAL DIFFERENCES},
  pages = {954--964},
  publisher = {PERGAMON-ELSEVIER SCIENCE LTD},
  volume = {44},
  doi = {10.1016/j.paid.2007.10.033},
  author = {Roberts, SGB and Wilson, R and Fedurek, P and Dunbar, RIM},
  month_numeric = {3}
}