APA

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

Chicago

Diener Ed, Helliwell John F and Kahneman Daniel. 2010. International differences in well-being. Oxford: Oxford University Press.

Harvard

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

MLA

Diener Ed, Helliwell John F and Kahneman Daniel. International differences in well-being. Oxford: Oxford University Press. 2010.