Cita APA

Spiegel, H. W. 1., & Spiegel, H. W. 1. (1971). The Growth of economic thought. Englewood Cliffs, N.J.: Prentice Hall.

Citación estilo Chicago

Spiegel, Henry William 1911, y Henry William 1911 Spiegel. The Growth of Economic Thought. Englewood Cliffs, N.J.: Prentice Hall, 1971.

Cita MLA

Spiegel, Henry William 1911, y Henry William 1911 Spiegel. The Growth of Economic Thought. Englewood Cliffs, N.J.: Prentice Hall, 1971.