APA

Heilbroner R. L., . (1964). The Lives Times & Ideas of the Great Económic Thinkers. New York: Simon and Schuster.

Chicago

Heilbroner Robert L, . 1964. The Lives Times & Ideas of the Great Económic Thinkers. New York: Simon and Schuster.

Harvard

Heilbroner R. L., . (1964). The Lives Times & Ideas of the Great Económic Thinkers. New York: Simon and Schuster.

MLA

Heilbroner Robert L, . The Lives Times & Ideas of the Great Económic Thinkers. New York: Simon and Schuster. 1964.