APA (7th ed.) Citation

Heilbroner, R. L. (1981). The economic problem (6th ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Heilbroner, Robert L. The Economic Problem. 6th ed. Englewood Cliffs, N.J: Prentice-Hall, 1981.

MLA (9th ed.) Citation

Heilbroner, Robert L. The Economic Problem. 6th ed. Prentice-Hall, 1981.