Cita APA (7th ed.)

Heard, A. (1962). The costs of democracy ; financing American political campaigns. Doubleday.

Cita Chicago (17th ed.)

Heard, Alexander. The Costs of Democracy ; Financing American Political Campaigns. Garden City, N. Y: Doubleday, 1962.

Cita MLA (9th ed.)

Heard, Alexander. The Costs of Democracy ; Financing American Political Campaigns. Doubleday, 1962.