APA   Click to copy
Laitin, D. D., Moortgat, J., & Robinson, A. L. (2012). Geographic Axes and the Persistence of Cultural Diversity. Proceedings of the National Academy of Sciences, 109(26), 10263–10268. https://doi.org/10.1073/pnas.1205338109

Chicago/Turabian   Click to copy
Laitin, David D., Joachim Moortgat, and Amanda Lea Robinson. “Geographic Axes and the Persistence of Cultural Diversity.” Proceedings of the National Academy of Sciences 109, no. 26 (2012): 10263–10268.

MLA   Click to copy
Laitin, David D., et al. “Geographic Axes and the Persistence of Cultural Diversity.” Proceedings of the National Academy of Sciences, vol. 109, no. 26, 2012, pp. 10263–68, doi:10.1073/pnas.1205338109.

@article{david2012a,
  title = {Geographic Axes and the Persistence of Cultural Diversity},
  year = {2012},
  issue = {26},
  journal = {Proceedings of the National Academy of Sciences},
  pages = {10263-10268},
  volume = {109},
  doi = {10.1073/pnas.1205338109},
  author = {Laitin, David D. and Moortgat, Joachim and Robinson, Amanda Lea}
}