APA (7th ed.) Citation

Spiegel, H. W. (1971). The growth of economic thought. Duke Univ. Press.

Chicago Style (17th ed.) Citation

Spiegel, Henry William. The Growth of Economic Thought. Durham, North Carolina: Duke Univ. Press, 1971.

MLA (9th ed.) Citation

Spiegel, Henry William. The Growth of Economic Thought. Duke Univ. Press, 1971.

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