Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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