APA (7th ed.) Citation

HEILBRONER, R. L., & THUROW, L. C. (1981). The economic problem.-- Ed.6. Prentice-Hall.

Chicago Style (17th ed.) Citation

HEILBRONER, Robert L., and Lester C. THUROW. The Economic Problem.-- Ed.6. New Jersey: Prentice-Hall, 1981.

MLA (9th ed.) Citation

HEILBRONER, Robert L., and Lester C. THUROW. The Economic Problem.-- Ed.6. Prentice-Hall, 1981.