APA
Heilbroner R. L., . (1962). The worldly philosophers: The lives, times, and ideas of the great economic thinkers. New York: Time Incorporated.
Chicago
Heilbroner Robert L, . 1962. The worldly philosophers: The lives, times, and ideas of the great economic thinkers. New York: Time Incorporated.
Harvard
Heilbroner R. L., . (1962). The worldly philosophers: The lives, times, and ideas of the great economic thinkers. New York: Time Incorporated.
MLA
Heilbroner Robert L, . The worldly philosophers: The lives, times, and ideas of the great economic thinkers. New York: Time Incorporated. 1962.
