APA (7th ed.) Citation

Crum, W. L. (1953). The age structure of the corporate system. University of California Press.

Chicago Style (17th ed.) Citation

Crum, William Leonard. The Age Structure of the Corporate System. Berkeley: University of California Press, 1953.

MLA (9th ed.) Citation

Crum, William Leonard. The Age Structure of the Corporate System. University of California Press, 1953.