APA   Click to copy
Panchanathan, K. (2011). George Price, the Price equation, and cultural group selection. Evolution and Human Behavior, 32, 368–371.

Chicago/Turabian   Click to copy
Panchanathan, Karthik. “George Price, the Price Equation, and Cultural Group Selection.” Evolution and Human Behavior 32 (2011): 368–371.

MLA   Click to copy
Panchanathan, Karthik. “George Price, the Price Equation, and Cultural Group Selection.” Evolution and Human Behavior, vol. 32, 2011, pp. 368–71.

@article{karthik2011a,
  title = {George Price, the Price equation, and cultural group selection},
  year = {2011},
  journal = {Evolution and Human Behavior},
  pages = {368-371},
  volume = {32},
  author = {Panchanathan, Karthik}
}