Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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