Citazione APA

Heywood, A. (2015). Political theory: An introduction (4th ed.). Palgrave Macmillan.

Stile di citazione Chicago

Heywood, Andrew. Political Theory: An Introduction. 4th ed. New York: Palgrave Macmillan, 2015.

Citazione MLA

Heywood, Andrew. Political Theory: An Introduction. 4th ed. Palgrave Macmillan, 2015.