Cita APA (7a ed.)

Heywood, A. (1999). Political theory: An introduction (2nd ed.). MacMillan [etc.].

Cita Chicago Style (17a ed.)

Heywood, Andrew. Political Theory: An Introduction. 2nd ed. Basingstoke [etc.]: MacMillan [etc.], 1999.

Cita MLA (9a ed.)

Heywood, Andrew. Political Theory: An Introduction. 2nd ed. MacMillan [etc.], 1999.