Cita APA (7a ed.)

O'Brien, M., & Penna, S. (1998). Theorising Welfare: Enlightenment and Modern Society. Sage Publications.

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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