APA (7th ed.) Citation

Delong, J. B., & Summers, L. H. (1984). Are business cycles symmetric? National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Delong, J. Bradford, and Lawrence Henry Summers. Are Business Cycles Symmetric? Cambridge, Mass: National Bureau of Economic Research, 1984.

MLA (9th ed.) Citation

Delong, J. Bradford, and Lawrence Henry Summers. Are Business Cycles Symmetric? National Bureau of Economic Research, 1984.