APA (7th ed.) Citation

Knabe, A., & Rätzel, S. (2009). Income, happiness, and the disutility of labor. Freie Univ. Berlin, FB Wirtschaftswissenschaft.

Chicago Style (17th ed.) Citation

Knabe, Andreas, and Steffen Rätzel. Income, Happiness, and the Disutility of Labor. Berlin: Freie Univ. Berlin, FB Wirtschaftswissenschaft, 2009.

MLA (9th ed.) Citation

Knabe, Andreas, and Steffen Rätzel. Income, Happiness, and the Disutility of Labor. Freie Univ. Berlin, FB Wirtschaftswissenschaft, 2009.