Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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