Cita APA (7a ed.)

Caselli, F., & Coleman, W. J. (2000). The world technology frontier. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Caselli, Francesco, y Wilbur John Coleman. The World Technology Frontier. Cambridge, MA: National Bureau of Economic Research, 2000.

Cita MLA (9a ed.)

Caselli, Francesco, y Wilbur John Coleman. The World Technology Frontier. National Bureau of Economic Research, 2000.