Cita APA (7th ed.)

Heard, A. (1966). The costs of democracy. University of North Caroline Press.

Cita Chicago (17th ed.)

Heard, Alexander. The Costs of Democracy. Chapel Hill: University of North Caroline Press, 1966.

Cita MLA (8th ed.)

Heard, Alexander. The Costs of Democracy. University of North Caroline Press, 1966.