Cita APA (7a ed.)

McConnell, C. R., & Pope, W. H. (1981). Economics: Principles problems and policies (2nd. ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

McConnell, Campbell R., y William Henry Pope. Economics: Principles Problems and Policies. 2nd. ed. Toronto: McGraw-Hill, 1981.

Cita MLA (8a ed.)

McConnell, Campbell R., y William Henry Pope. Economics: Principles Problems and Policies. 2nd. ed. McGraw-Hill, 1981.