Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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