Doyle, A. (2021). Free speech: And why it matters. Constable.
Cita Chicago Style (17a ed.)Doyle, Andrew. Free Speech: And Why It Matters. London: Constable, 2021.
Cita MLA (9a ed.)Doyle, Andrew. Free Speech: And Why It Matters. Constable, 2021.
Precaución: Estas citas no son 100% exactas.