Cita APA (7th ed.)

Ekelund, R. B., & Tollison, R. D. (1991). Macroeconomics (3rd ed.). HarperCollins.

Cita Chicago (17th ed.)

Ekelund, Robert B., i Robert D. Tollison. Macroeconomics. 3rd ed. New York: HarperCollins, 1991.

Cita MLA (9th ed.)

Ekelund, Robert B., i Robert D. Tollison. Macroeconomics. 3rd ed. HarperCollins, 1991.