Cita APA (7a ed.)

Barro, R. J. (1993). Macroeconomics (4th ed.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Barro, Robert J. Macroeconomics. 4th ed. New York [etc.]: John Wiley & Sons, 1993.

Cita MLA (9a ed.)

Barro, Robert J. Macroeconomics. 4th ed. John Wiley & Sons, 1993.