Cita APA (7a ed.)

Zarnowitz, V. (1997). Business cycles observed and assessed: Why and how they matter. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Zarnowitz, Victor. Business Cycles Observed and Assessed: Why and How They Matter. Cambridge, MA: National Bureau of Economic Research, 1997.

Cita MLA (9a ed.)

Zarnowitz, Victor. Business Cycles Observed and Assessed: Why and How They Matter. National Bureau of Economic Research, 1997.