APA (7th ed.) Citation

Hamilton, J. D. (2005). What's real about the business cycle? National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Hamilton, James D. What's Real About the Business Cycle? Cambridge, Mass: National Bureau of Economic Research, 2005.

MLA (9th ed.) Citation

Hamilton, James D. What's Real About the Business Cycle? National Bureau of Economic Research, 2005.