APA (7e ed.) Bronvermelding

Cohen, R., & Middleton, J. (1967). Comparative political systems: Studies in the politics of pre-industrial societies. Published for the American Museum of Natural History [by] the Natural History Press.

Chicago (17e ed.) Bronvermelding

Cohen, Ronald, en John Middleton. Comparative Political Systems: Studies in the Politics of Pre-industrial Societies. Garden City, N.Y: Published for the American Museum of Natural History [by] the Natural History Press, 1967.

MLA (9e ed.) Bronvermelding

Cohen, Ronald, en John Middleton. Comparative Political Systems: Studies in the Politics of Pre-industrial Societies. Published for the American Museum of Natural History [by] the Natural History Press, 1967.