APA (7th ed.) Citation

Case, A., Lin, I., & McLanahan, S. (1999). How hungry is the selfish gene. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Case, Anne, I-Fen Lin, and Sara McLanahan. How Hungry Is the Selfish Gene. Cambridge, MA: National Bureau of Economic Research, 1999.

MLA (9th ed.) Citation

Case, Anne, et al. How Hungry Is the Selfish Gene. National Bureau of Economic Research, 1999.