APA (7th ed.) Citation

Shapiro, M. D., & Watson, M. W. (1988). Sources of business cycle fluctuations. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Shapiro, Matthew D., and Mark W. Watson. Sources of Business Cycle Fluctuations. Cambridge, Mass: National Bureau of Economic Research, 1988.

MLA (9th ed.) Citation

Shapiro, Matthew D., and Mark W. Watson. Sources of Business Cycle Fluctuations. National Bureau of Economic Research, 1988.