APA (7th ed.) Citation

Crum, W. L. (1939). Corporate size and earning power. Harvard university press.

Chicago Style (17th ed.) Citation

Crum, William Leonard. Corporate Size and Earning Power. Cambridge, Mass.: Harvard university press, 1939.

MLA (9th ed.) Citation

Crum, William Leonard. Corporate Size and Earning Power. Harvard university press, 1939.