Cita APA (7a ed.)

Drèze, J. H., & Bean, C. R. (1990). Europe's unemployment problem. The MIT Press.

Cita Chicago Style (17a ed.)

Drèze, Jacques H., y C. R. Bean. Europe's Unemployment Problem. Cambridge, Mass. [etc]: The MIT Press, 1990.

Cita MLA (9a ed.)

Drèze, Jacques H., y C. R. Bean. Europe's Unemployment Problem. The MIT Press, 1990.