APA (7th ed.) Citation

Samuelson, P. A. (1951). Economics: An introductory analysis (2nd ed., 4th impression.). McGraw-Hill Book Company.

Chicago Style (17th ed.) Citation

Samuelson, Paul Anthony. Economics: An Introductory Analysis. 2nd ed., 4th impression. New York [etc.]: McGraw-Hill Book Company, 1951.

MLA (9th ed.) Citation

Samuelson, Paul Anthony. Economics: An Introductory Analysis. 2nd ed., 4th impression. McGraw-Hill Book Company, 1951.