APA (7th ed.) Citation

Koivisto, W. A. (1957). Principles and problems of modern economics. Wiley.

Chicago Style (17th ed.) Citation

Koivisto, William A. Principles and Problems of Modern Economics. New York: Wiley, 1957.

MLA (9th ed.) Citation

Koivisto, William A. Principles and Problems of Modern Economics. Wiley, 1957.