APA Citation

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

Chicago Style Citation

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

MLA Citation

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

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