APA (7th ed.) Citation

McConnell, C. R., & Brue, S. L. (1990). Economics: Principles, problems, and policies (11th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

McConnell, Campbell R., and Stanley L. Brue. Economics: Principles, Problems, and Policies. 11th ed. New York: McGraw-Hill, 1990.

MLA (9th ed.) Citation

McConnell, Campbell R., and Stanley L. Brue. Economics: Principles, Problems, and Policies. 11th ed. McGraw-Hill, 1990.