APA (7th ed.) Citation

Diener, E., Helliwell, J. F., & Kahneman, D. (2010). International differences in well-being. Oxford University Press.

Chicago Style (17th ed.) Citation

Diener, Ed, John F. Helliwell, and Daniel Kahneman. International Differences in Well-being. Oxford ; New York: Oxford University Press, 2010.

MLA (9th ed.) Citation

Diener, Ed, et al. International Differences in Well-being. Oxford University Press, 2010.