APA (7th ed.) Citation

Hasek, C. W., Brinker, P. A., & Schoemmell, E. M. (1938). Principles of economics. Prentice-Hall, inc..

Chicago Style (17th ed.) Citation

Hasek, Carl William, Paul A. Brinker, and Edward M. Schoemmell. Principles of Economics. New York: Prentice-Hall, inc., 1938.

MLA (9th ed.) Citation

Hasek, Carl William, et al. Principles of Economics. Prentice-Hall, inc., 1938.