APA (7th ed.) Citation

Apergis, N., & Georgellis, Y. (2013). Does Happiness Converge? Springer Netherlands.

Chicago Style (17th ed.) Citation

Apergis, Nicholas, and Yannis Georgellis. Does Happiness Converge? Springer Netherlands, 2013.

MLA (9th ed.) Citation

Apergis, Nicholas, and Yannis Georgellis. Does Happiness Converge? Springer Netherlands, 2013.

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