Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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