Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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