Cita APA (7a ed.)

Wilkinson, R. G., & Pickett, K. (2009). The spirit level: Why more equal societies almost always do better (1st published.). Allen Lane.

Cita Chicago Style (17a ed.)

Wilkinson, Richard G., y Kate Pickett. The Spirit Level: Why More Equal Societies Almost Always Do Better. 1st published. London: Allen Lane, 2009.

Cita MLA (9a ed.)

Wilkinson, Richard G., y Kate Pickett. The Spirit Level: Why More Equal Societies Almost Always Do Better. 1st published. Allen Lane, 2009.