APA (7th ed.) Citation

Samuelson, P. A., & Nordhaus, W. D. (1990). Economía (3a. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul Anthony, and William D. Nordhaus. Economía. 3a. ed. Madrid: McGraw-Hill, 1990.

MLA (9th ed.) Citation

Samuelson, Paul Anthony, and William D. Nordhaus. Economía. 3a. ed. McGraw-Hill, 1990.