APA (7th ed.) Citation

Harwood, E. C. (1939). Cause and control of the business cycle. American institute for economic research.

Chicago Style (17th ed.) Citation

Harwood, E. C. Cause and Control of the Business Cycle. Cambridge, Mass.: American institute for economic research, 1939.

MLA (9th ed.) Citation

Harwood, E. C. Cause and Control of the Business Cycle. American institute for economic research, 1939.