Cita APA (7th ed.)

Heywood, A. (2015). Political Ideologies: An Introduction (5th.). Palgrave Macmillan.

Cita Chicago (17th ed.)

Heywood, Andrew. Political Ideologies: An Introduction. 5th. New York: Palgrave Macmillan, 2015.

Cita MLA (9th ed.)

Heywood, Andrew. Political Ideologies: An Introduction. 5th. Palgrave Macmillan, 2015.