Cita APA

Smith, R. (2003). The perils of free speech. BMJ Publishing Group Ltd.

Chicago Style Citation

Smith, Richard. The Perils of Free Speech. BMJ Publishing Group Ltd, 2003.

Cita MLA

Smith, Richard. The Perils of Free Speech. BMJ Publishing Group Ltd, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.