Cita APA

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

Citación estilo Chicago

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

Cita MLA

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