APA (7th ed.) Citation

Frey, B. S., & Stutzer, A. (2001). What can economists learn from happiness research? CES.

Chicago Style (17th ed.) Citation

Frey, Bruno S., and Alois Stutzer. What Can Economists Learn from Happiness Research? Munich: CES, 2001.

MLA (9th ed.) Citation

Frey, Bruno S., and Alois Stutzer. What Can Economists Learn from Happiness Research? CES, 2001.

Warning: These citations may not always be 100% accurate.