Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Hartmann, Frederick H. The Relations of Nations. 6th ed. Quezon City: JMC Press, 1983.

Cita MLA (9th ed.)

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