APA (7th ed.) Citation

Pigou, A. C. (1968). The theory of unemployment. A. M. Kelley.

Chicago Style (17th ed.) Citation

Pigou, A. C. The Theory of Unemployment. New York: A. M. Kelley, 1968.

MLA (9th ed.) Citation

Pigou, A. C. The Theory of Unemployment. A. M. Kelley, 1968.

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