Samuelson, P. A., & Nordhaus, W. D. (1989). Economics (13th ed.). New York: McGraw-Hill.
Chicago Style CitationSamuelson, Paul A., and William D. Nordhaus. Economics. 13th ed. New York: McGraw-Hill, 1989.
MLA CitationSamuelson, Paul A., and William D. Nordhaus. Economics. 13th ed. New York: McGraw-Hill, 1989.
Warning: These citations may not always be 100% accurate.