Cita APA (7a ed.)

Silverstone, R. (1999). Why study the media? Sage.

Cita Chicago Style (17a ed.)

Silverstone, Roger. Why Study the Media? London ; Thousand Oaks, [Calif.]: Sage, 1999.

Cita MLA (9a ed.)

Silverstone, Roger. Why Study the Media? Sage, 1999.