Cita APA (7a ed.)

Acton, H. B. (1969). The philosophy of punishment. Macmillan.

Cita Chicago Style (17a ed.)

Acton, H. B. The Philosophy of Punishment. London: Macmillan, 1969.

Cita MLA (9a ed.)

Acton, H. B. The Philosophy of Punishment. Macmillan, 1969.