Cita APA (7th ed.)

McConnell, C. R. (1975). Economics: Principles, problems, and policies (6a. ed.). McGraw-Hill.

Cita Chicago (17th ed.)

McConnell, Campbell R. Economics: Principles, Problems, and Policies. 6a. ed. Nueva York: McGraw-Hill, 1975.

Cita MLA (9th ed.)

McConnell, Campbell R. Economics: Principles, Problems, and Policies. 6a. ed. McGraw-Hill, 1975.