APA (7th ed.) Citation

Pigou, A. C. (1968). The theory of unemployment (1. ed., new impr.). Kelley.

Chicago Style (17th ed.) Citation

Pigou, Arthur C. The Theory of Unemployment. 1. ed., new impr. New York: Kelley, 1968.

MLA (9th ed.) Citation

Pigou, Arthur C. The Theory of Unemployment. 1. ed., new impr. Kelley, 1968.