APA (7th ed.) Citation

Samuelson, P. A., & Nordhaus, W. D. (2004). Economics (18. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul Anthony, and William D. Nordhaus. Economics. 18. ed. Boston, Mass. [u.a.]: McGraw-Hill, 2004.

MLA (9th ed.) Citation

Samuelson, Paul Anthony, and William D. Nordhaus. Economics. 18. ed. McGraw-Hill, 2004.