APA (7th ed.) Citation

Samuelson, P. A. (1955). Economics: An introductory analysis (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul Anthony. Economics: An Introductory Analysis. 3rd ed. New York: McGraw-Hill, 1955.

MLA (9th ed.) Citation

Samuelson, Paul Anthony. Economics: An Introductory Analysis. 3rd ed. McGraw-Hill, 1955.