Cita APA (7a ed.)

ebrary, Inc, Leffler, M. P., & Legro, J. (2008). To lead the world: American strategy after the Bush doctrine. Oxford University Press.

Cita Chicago Style (17a ed.)

ebrary, Inc, Melvyn P. Leffler, y Jeffrey Legro. To Lead the World: American Strategy After the Bush Doctrine. Oxford ; New York: Oxford University Press, 2008.

Cita MLA (9a ed.)

ebrary, Inc, et al. To Lead the World: American Strategy After the Bush Doctrine. Oxford University Press, 2008.