Cita APA (7a ed.)

O'Brien, M., & Penna, S. (1998). Theorising welfare: Enlightenment and modern society. Sage.

Cita Chicago Style (17a ed.)

O'Brien, Martin, y Sue Penna. Theorising Welfare: Enlightenment and Modern Society. London ; Thousand Oaks, Calif.: Sage, 1998.

Cita MLA (9a ed.)

O'Brien, Martin, y Sue Penna. Theorising Welfare: Enlightenment and Modern Society. Sage, 1998.