APA Citation

Samuelson, P. A., & Nordhaus, W. D. (1989). Economics (13th ed.). New York: McGraw-Hill.

Chicago Style Citation

Samuelson, Paul A., and William D. Nordhaus. Economics. 13th ed. New York: McGraw-Hill, 1989.

MLA Citation

Samuelson, Paul A., and William D. Nordhaus. Economics. 13th ed. New York: McGraw-Hill, 1989.

Warning: These citations may not always be 100% accurate.