APA (7th ed.) Citation

Arias, A. F., Hansen, G. D., & Ohanian, L. E. (2006). Why have business cycle fluctuations become less volatile? National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Arias, Andres F., Gary D. Hansen, and Lee E. Ohanian. Why Have Business Cycle Fluctuations Become Less Volatile? Cambridge, Mass: National Bureau of Economic Research, 2006.

MLA (9th ed.) Citation

Arias, Andres F., et al. Why Have Business Cycle Fluctuations Become Less Volatile? National Bureau of Economic Research, 2006.

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