Cita APA (7th ed.)

SAMUELSON, P. A. (1970). Readings in economics. McGraw-Hill.

Cita Chicago (17th ed.)

SAMUELSON, Paul A. Readings in Economics. New York: McGraw-Hill, 1970.

Cita MLA (9th ed.)

SAMUELSON, Paul A. Readings in Economics. McGraw-Hill, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.