Cita APA (7th ed.)

Barker, M., & Petley, J. (1997). Ill effects: The media/violence debate. Routledge.

Cita Chicago (17th ed.)

Barker, Martin, i Julian Petley. Ill Effects: The Media/violence Debate. London: Routledge, 1997.

Cita MLA (9th ed.)

Barker, Martin, i Julian Petley. Ill Effects: The Media/violence Debate. Routledge, 1997.