Longford, F. P. (1961). The idea of punishment. Chapman.
Cita Chicago Style (17a ed.)Longford, Frank Pakenham. The Idea of Punishment. London: Chapman, 1961.
Cita MLA (9a ed.)Longford, Frank Pakenham. The Idea of Punishment. Chapman, 1961.
Precaución: Estas citas no son 100% exactas.