Cita APA (7a ed.)
Collier, P. (2007). The bottom billion: Why the poorest countries are failing and what can be done about it. Oxford University Press.
Cita Chicago Style (17a ed.)
Collier, Paul. The Bottom Billion: Why the Poorest Countries Are Failing and What Can Be Done About It. Oxford ; New York: Oxford University Press, 2007.
Cita MLA (9a ed.)
Collier, Paul. The Bottom Billion: Why the Poorest Countries Are Failing and What Can Be Done About It. Oxford University Press, 2007.
Precaución: Estas citas no son 100% exactas.