Cita APA (7th ed.)
Lieber, R. J. (2012). Power and willpower in the American future: Why the United States is not destined to decline. Cambridge University Press.
Cita Chicago (17th ed.)
Lieber, Robert J. Power and Willpower in the American Future: Why the United States Is Not Destined to Decline. New York: Cambridge University Press, 2012.
Cita MLA (9th ed.)
Lieber, Robert J. Power and Willpower in the American Future: Why the United States Is Not Destined to Decline. Cambridge University Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.