APA (7th ed.) Citation

Clark, C. (1940). The conditions of economic progress. Macmillan.

Chicago Style (17th ed.) Citation

Clark, Colin. The Conditions of Economic Progress. London: Macmillan, 1940.

MLA (9th ed.) Citation

Clark, Colin. The Conditions of Economic Progress. Macmillan, 1940.

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