Cita APA (7a ed.)

Backus, D., & Crucini, M. J. (1998). Oil prices and the terms of trade. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Backus, David, y Mario John Crucini. Oil Prices and the Terms of Trade. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Backus, David, y Mario John Crucini. Oil Prices and the Terms of Trade. National Bureau of Economic Research, 1998.