APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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