APA (7th ed.) Citation

Wright, D. M. (1954). A key to modern economics. Macmillan.

Chicago Style (17th ed.) Citation

Wright, David McCord. A Key to Modern Economics. New York: Macmillan, 1954.

MLA (9th ed.) Citation

Wright, David McCord. A Key to Modern Economics. Macmillan, 1954.

Warning: These citations may not always be 100% accurate.