APA (7th ed.) Citation

Lieber, R. J. (2005). The American era: Power and strategy for the 21st century. Cambridge University Press.

Chicago Style (17th ed.) Citation

Lieber, Robert J. The American Era: Power and Strategy for the 21st Century. Cambridge ; New York: Cambridge University Press, 2005.

MLA (9th ed.) Citation

Lieber, Robert J. The American Era: Power and Strategy for the 21st Century. Cambridge University Press, 2005.