Cita APA (7th ed.)

Hartmann, F. H. (1983). The relations of nations (Sixth edition.). JMC Press.

Cita Chicago (17th ed.)

Hartmann, Frederick H. The Relations of Nations. Sixth edition. Quezon City: JMC Press, 1983.

Cita MLA (9th ed.)

Hartmann, Frederick H. The Relations of Nations. Sixth edition. JMC Press, 1983.