APA (7th ed.) Citation

Samuelson, P. A., & Nordhaus, W. D. (1999). Economics (16th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul Anthony, and William D. Nordhaus. Economics. 16th ed. N.Y: McGraw-Hill, 1999.

MLA (9th ed.) Citation

Samuelson, Paul Anthony, and William D. Nordhaus. Economics. 16th ed. McGraw-Hill, 1999.