Cita APA (7a ed.)

Wilkinson, R. G., & Pickett, K. (2010). The spirit level: Why equality is better for everyone. Penguin Books.

Cita Chicago Style (17a ed.)

Wilkinson, Richard G., y Kate Pickett. The Spirit Level: Why Equality Is Better for Everyone. London, England: Penguin Books, 2010.

Cita MLA (9a ed.)

Wilkinson, Richard G., y Kate Pickett. The Spirit Level: Why Equality Is Better for Everyone. Penguin Books, 2010.