Cita APA (7a ed.)

Preston, A. (2019). American foreign relations: A very short introduction (1st edition.). Oxford University Press.

Cita Chicago Style (17a ed.)

Preston, Andrew. American Foreign Relations: A Very Short Introduction. 1st edition. New York: Oxford University Press, 2019.

Cita MLA (9a ed.)

Preston, Andrew. American Foreign Relations: A Very Short Introduction. 1st edition. Oxford University Press, 2019.