APA (7th ed.) Citation

Heilbroner, R. L. (1972). The economic problem (3d ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Heilbroner, Robert L. The Economic Problem. 3d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1972.

MLA (8th ed.) Citation

Heilbroner, Robert L. The Economic Problem. 3d ed. Prentice-Hall, 1972.