APA (7th ed.) Citation

Tugwell, R. G., & Copeland, M. A. (1971). The trend of economics. Kennikat Press.

Chicago Style (17th ed.) Citation

Tugwell, Rexford G., and Morris A. Copeland. The Trend of Economics. Port Washington, N.Y.: Kennikat Press, 1971.

MLA (9th ed.) Citation

Tugwell, Rexford G., and Morris A. Copeland. The Trend of Economics. Kennikat Press, 1971.