APA (7th ed.) Citation

Samuelson, P. A., & Nordhaus, W. D. (1993). Economía (4a. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul Anthony, and William D. Nordhaus. Economía. 4a. ed. Madrid: McGraw-Hill, 1993.

MLA (9th ed.) Citation

Samuelson, Paul Anthony, and William D. Nordhaus. Economía. 4a. ed. McGraw-Hill, 1993.