Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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