APA (7th ed.) Citation

Dunbar, C. F., Willis, H. P., & Sprague, O. M. W. (1922). The theory and history of banking (4th ed.). Putnam.

Chicago Style (17th ed.) Citation

Dunbar, Charles Franklin, Henry Parker Willis, and O. M. W. Sprague. The Theory and History of Banking. 4th ed. New York, London: Putnam, 1922.

MLA (9th ed.) Citation

Dunbar, Charles Franklin, et al. The Theory and History of Banking. 4th ed. Putnam, 1922.