APA (7th ed.) Citation

Duverger, M., & Magoner. (1972). Party politics and pressure groups: A comparative introduction. Nelson.

Chicago Style (17th ed.) Citation

Duverger, Maurice, and Magoner. Party Politics and Pressure Groups: A Comparative Introduction. London: Nelson, 1972.

MLA (9th ed.) Citation

Duverger, Maurice, and Magoner. Party Politics and Pressure Groups: A Comparative Introduction. Nelson, 1972.