Wilkinson, R., & Pickett, K. c. (2010). The spirit level: Why equality is better for everyone. Penguin Books.
Cita Chicago Style (17a ed.)Wilkinson, Richard, y Kate colaborador Pickett. The Spirit Level: Why Equality Is Better for Everyone. London: Penguin Books, 2010.
Cita MLA (9a ed.)Wilkinson, Richard, y Kate colaborador Pickett. The Spirit Level: Why Equality Is Better for Everyone. Penguin Books, 2010.
Precaución: Estas citas no son 100% exactas.