APA (7th ed.) Citation

Cassel, G. (1957). The nature and necessity of interest. Kelley & Millman.

Chicago Style (17th ed.) Citation

Cassel, Gustav. The Nature and Necessity of Interest. New York: Kelley & Millman, 1957.

MLA (9th ed.) Citation

Cassel, Gustav. The Nature and Necessity of Interest. Kelley & Millman, 1957.