Cita APA (7a ed.)

Becker, G. S., & Coyle, D. (2011). The challenge of immigration: A radical solution. Institute of Economic Affairs.

Cita Chicago Style (17a ed.)

Becker, Gary S., y Diane Coyle. The Challenge of Immigration: A Radical Solution. London: Institute of Economic Affairs, 2011.

Cita MLA (9a ed.)

Becker, Gary S., y Diane Coyle. The Challenge of Immigration: A Radical Solution. Institute of Economic Affairs, 2011.