APA (7th ed.) Citation

Zinke, G. W. (1959). The American economy: An introductory analysis. Ronald Press.

Chicago Style (17th ed.) Citation

Zinke, George W. The American Economy: An Introductory Analysis. New York: Ronald Press, 1959.

MLA (9th ed.) Citation

Zinke, George W. The American Economy: An Introductory Analysis. Ronald Press, 1959.