Cita APA (7th ed.)

Barr, N. A. (1998). The economics of the welfare state (3rd ed.). Stanford University Press.

Cita Chicago (17th ed.)

Barr, N. A. The Economics of the Welfare State. 3rd ed. Stanford, Calif.: Stanford University Press, 1998.

Cita MLA (8th ed.)

Barr, N. A. The Economics of the Welfare State. 3rd ed. Stanford University Press, 1998.