Cita APA

Heilbroner, R. L. (1972). The worldly philosophers (4th ed.). A Touchstone Book.

Citación estilo Chicago

Heilbroner, Robert L. The Worldly Philosophers. 4th ed. New York: A Touchstone Book, 1972.

Cita MLA

Heilbroner, Robert L. The Worldly Philosophers. 4th ed. A Touchstone Book, 1972.

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