Cita APA (7th ed.)

Frankel, J. (1988). International relations in a changing world (4th ed.). Oxford University Press.

Cita Chicago (17th ed.)

Frankel, Joseph. International Relations in a Changing World. 4th ed. Oxford ; New York: Oxford University Press, 1988.

Cita MLA (8th ed.)

Frankel, Joseph. International Relations in a Changing World. 4th ed. Oxford University Press, 1988.