Cita APA (7th ed.)

Hartmann, F. H. (1983). The relations of nations (6th ed.). Macmillan.

Cita Chicago (17th ed.)

Hartmann, Frederick H. The Relations of Nations. 6th ed. New York: Macmillan, 1983.

Cita MLA (9th ed.)

Hartmann, Frederick H. The Relations of Nations. 6th ed. Macmillan, 1983.