Cita APA (7a ed.)

Ashworth, A. (2003). Principles of criminal law (4th ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Ashworth, Andrew. Principles of Criminal Law. 4th ed. Oxford: Oxford University Press, 2003.

Cita MLA (9a ed.)

Ashworth, Andrew. Principles of Criminal Law. 4th ed. Oxford University Press, 2003.