Cita APA (7th ed.)

Hopkins, A. G. (2018). American Empire. Princeton University Press.

Cita Chicago (17th ed.)

Hopkins, A G. American Empire. Princeton University Press, 2018.

Cita MLA (9th ed.)

Hopkins, A G. American Empire. Princeton University Press, 2018.

Atenció: Aquestes cites poden no estar 100% correctes.