Cita APA (7th ed.)

Held, D. (2006). Models of democracy (3rd ed.). Polity.

Cita Chicago (17th ed.)

Held, David. Models of Democracy. 3rd ed. Cambridge, UK: Polity, 2006.

Cita MLA (9th ed.)

Held, David. Models of Democracy. 3rd ed. Polity, 2006.