APA (7th ed.) Citation

Spiegel, H. W. (1971). The growth of economic thought. Prentice-Hall.

Chicago Style (17th ed.) Citation

Spiegel, Henry William. The Growth of Economic Thought. Englewood Cliffs, NJ: Prentice-Hall, 1971.

MLA (9th ed.) Citation

Spiegel, Henry William. The Growth of Economic Thought. Prentice-Hall, 1971.