APA (7th ed.) Citation

ProQuest (Firm), Posner, E. A., & Sunstein, C. R. (2010). Law and happiness. University of Chicago Press.

Chicago Style (17th ed.) Citation

ProQuest (Firm), Eric A. Posner, and Cass R. Sunstein. Law and Happiness. Chicago ; London: University of Chicago Press, 2010.

MLA (9th ed.) Citation

ProQuest (Firm), et al. Law and Happiness. University of Chicago Press, 2010.