APA

Heywood A., . (2004). Political theory: An introduction. : Palgrave, New York.

Chicago

Heywood Andrew, . 2004. Political theory: An introduction. : Palgrave, New York.

Harvard

Heywood A., . (2004). Political theory: An introduction. : Palgrave, New York.

MLA

Heywood Andrew, . Political theory: An introduction. : Palgrave, New York. 2004.