Cita APA (7a ed.)

Nutley, S. M., Smith, P., & Davies, H. T. O. (2000). What works?: Evidence-based policy and practice in public services. The Policy Press.

Cita Chicago Style (17a ed.)

Nutley, Sandra M., Peter Smith, y H. T. O. Davies. What Works?: Evidence-based Policy and Practice in Public Services. Bristol, UK: The Policy Press, 2000.

Cita MLA (8a ed.)

Nutley, Sandra M., et al. What Works?: Evidence-based Policy and Practice in Public Services. The Policy Press, 2000.