Cita APA (7a ed.)

Samuelson, P. A. (1958). Economics: An introductory analysis (4th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Samuelson, Paul Anthony. Economics: An Introductory Analysis. 4th ed. New York [etc.]: McGraw-Hill, 1958.

Cita MLA (9a ed.)

Samuelson, Paul Anthony. Economics: An Introductory Analysis. 4th ed. McGraw-Hill, 1958.