Cita APA (7a ed.)

Frankel, J. (1969). International relations (2nd ed.). University Press.

Cita Chicago Style (17a ed.)

Frankel, Joseph. International Relations. 2nd ed. Oxford [etc.]: University Press, 1969.

Cita MLA (9a ed.)

Frankel, Joseph. International Relations. 2nd ed. University Press, 1969.