Cita APA (7a ed.)

GREENBERG, E. S. (1983). The American Political System A Radical Approach Edward S. Greenberg. Little, Brown.

Cita Chicago Style (17a ed.)

GREENBERG, Edward S. The American Political System A Radical Approach Edward S. Greenberg. Little, Brown, 1983.

Cita MLA (8a ed.)

GREENBERG, Edward S. The American Political System A Radical Approach Edward S. Greenberg. Little, Brown, 1983.