APA (7th ed.) Citation

Greenberg, E. S. (1980). The American political system: A radical approach. Wintrop.

Chicago Style (17th ed.) Citation

Greenberg, Edward S. The American Political System: A Radical Approach. Cambridge, Mass: Wintrop, 1980.

MLA (9th ed.) Citation

Greenberg, Edward S. The American Political System: A Radical Approach. Wintrop, 1980.