APA (7th ed.) Citation

Samuelson, P. A. (1973). Economics (9th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul Anthony. Economics. 9th ed. New York: McGraw-Hill, 1973.

MLA (9th ed.) Citation

Samuelson, Paul Anthony. Economics. 9th ed. McGraw-Hill, 1973.