Cita APA (7th ed.)

Robinson, M. A. (1967). An introduction to economic reasoning (4th rev. ed.). Brookings Institution.

Cita Chicago (17th ed.)

Robinson, Marshall A. An Introduction to Economic Reasoning. 4th rev. ed. Washington, D. C: Brookings Institution, 1967.

Cita MLA (9th ed.)

Robinson, Marshall A. An Introduction to Economic Reasoning. 4th rev. ed. Brookings Institution, 1967.