APA (7th ed.) Citation

Spiegel, H. W. (1991). The growth of economic thought (3rd ed.). Duke University Press.

Chicago Style (17th ed.) Citation

Spiegel, Henry William. The Growth of Economic Thought. 3rd ed. Durham, N.C: Duke University Press, 1991.

MLA (9th ed.) Citation

Spiegel, Henry William. The Growth of Economic Thought. 3rd ed. Duke University Press, 1991.