APA Edition Citation

Davies, M. R., & Lewis, V. A. (1972). Models of political systems / (by) Morton R. Davies, Vaughan A. Lewis. Macmillan.

Chicago Edition Citation

Davies, Morton Rees, and Vaughan Allen Lewis. Models of Political Systems / (by) Morton R. Davies, Vaughan A. Lewis. London: Macmillan, 1972.

MLA Edition Citation

Davies, Morton Rees, and Vaughan Allen Lewis. Models of Political Systems / (by) Morton R. Davies, Vaughan A. Lewis. Macmillan, 1972.