Cita APA (7a ed.)

Heywood, A. (2017). Political Ideologies: An introduction . (6th ed.). Palgrave.

Cita Chicago Style (17a ed.)

Heywood, Andrew. Political Ideologies: An Introduction . 6th ed. London: Palgrave, 2017.

Cita MLA (9a ed.)

Heywood, Andrew. Political Ideologies: An Introduction . 6th ed. Palgrave, 2017.