APA (7th ed.) Citation

Hale, R. S. (1938). The revolution in economics. B. Humphries, Inc..

Chicago Style (17th ed.) Citation

Hale, Robert S. The Revolution in Economics. Boston: B. Humphries, Inc., 1938.

MLA (9th ed.) Citation

Hale, Robert S. The Revolution in Economics. B. Humphries, Inc., 1938.