Cita APA (7th ed.)

Halper, S. A., & Clarke, J. (2004). America alone: The neo-conservatives and the global order. Cambridge University Press.

Cita Chicago (17th ed.)

Halper, Stefan A., i Jonathan Clarke. America Alone: The Neo-conservatives and the Global Order. Cambridge ; New York: Cambridge University Press, 2004.

Cita MLA (9th ed.)

Halper, Stefan A., i Jonathan Clarke. America Alone: The Neo-conservatives and the Global Order. Cambridge University Press, 2004.