Cita APA (7a ed.)

Samuelson, P. A., & Nordhaus, W. D. (1992). Economics (14th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Samuelson, Paul A., y William D. Nordhaus. Economics. 14th ed. New York: McGraw-Hill, 1992.

Cita MLA (9a ed.)

Samuelson, Paul A., y William D. Nordhaus. Economics. 14th ed. McGraw-Hill, 1992.