Παραπομπή σε μορφή APA (7η εκδ.)

Cohen, R., & Middleton, J. (1967). Comparative political systems: Studies in the politics of pre-industrial societes. Natural History.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cohen, Ronald, και John Middleton. Comparative Political Systems: Studies in the Politics of Pre-industrial Societes. New York: Natural History, 1967.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cohen, Ronald, και John Middleton. Comparative Political Systems: Studies in the Politics of Pre-industrial Societes. Natural History, 1967.