The spirit level : why greater equality makes societies stronger

MLA

Wilkinson, Richard G., and Kate Pickett. The Spirit Level : Why Greater Equality Makes Societies Stronger. New York: Bloomsbury Press, 2011.

APA

Wilkinson, R. G., & Pickett, K. (2011). The spirit level : why greater equality makes societies stronger. New York: Bloomsbury Press.

Chicago

Wilkinson, Richard G., and Kate Pickett. The Spirit Level: Why Greater Equality Makes Societies Stronger. New York: Bloomsbury Press, 2011.