Banfield, E. C. (1974). The unheavenly city revisited. Little.
Cita Chicago (17th ed.)Banfield, Edward C. The Unheavenly City Revisited. Boston: Little, 1974.
Cita MLA (9th ed.)Banfield, Edward C. The Unheavenly City Revisited. Little, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.