APA (7th ed.) Citation

Duverger, M., North, B., & North, R. (1959). Political parties, their organization and activity in the modern state (2nd ed.). Methuen.

Chicago Style (17th ed.) Citation

Duverger, Maurice, Barbara North, and Robert North. Political Parties, Their Organization and Activity in the Modern State. 2nd ed. London: Methuen, 1959.

MLA (9th ed.) Citation

Duverger, Maurice, et al. Political Parties, Their Organization and Activity in the Modern State. 2nd ed. Methuen, 1959.