Cita APA (7th ed.)

Ruggiero, G. d. (1959). The history of european liberalism. Beacon.

Cita Chicago (17th ed.)

Ruggiero, Guido de. The History of European Liberalism. Boston: Beacon, 1959.

Cita MLA (9th ed.)

Ruggiero, Guido de. The History of European Liberalism. Beacon, 1959.