Cita APA (7th ed.)

Cohen, R., & Middleton, J. (1967). Comparative political systems: Studies in the politics of pre-industrial societies (1a. ed.). The Natural History Press.

Cita Chicago (17th ed.)

Cohen, Ronald, i John Middleton. Comparative Political Systems: Studies in the Politics of Pre-industrial Societies. 1a. ed. Nueva York: The Natural History Press, 1967.

Cita MLA (9th ed.)

Cohen, Ronald, i John Middleton. Comparative Political Systems: Studies in the Politics of Pre-industrial Societies. 1a. ed. The Natural History Press, 1967.