Cita APA (7a ed.)

Hannigan, R. E. (2002). The New World Power: American Foreign Policy, 1898-1917. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Hannigan, Robert E. The New World Power: American Foreign Policy, 1898-1917. Philadelphia: University of Pennsylvania Press, 2002.

Cita MLA (8a ed.)

Hannigan, Robert E. The New World Power: American Foreign Policy, 1898-1917. University of Pennsylvania Press, 2002.