Παραπομπή σε μορφή APA (7η εκδ.)

Upham, S. (1990). The evolution of political systems: Sociopolitics in small-scale sedentary societies. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Upham, Steadman. The Evolution of Political Systems: Sociopolitics in Small-scale Sedentary Societies. Melbourne: Cambridge University Press, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Upham, Steadman. The Evolution of Political Systems: Sociopolitics in Small-scale Sedentary Societies. Cambridge University Press, 1990.