Hawton, H. (1963). The Humanist revolution. Barrie & Rockliff.
Cita Chicago (17th ed.)Hawton, Hector. The Humanist Revolution. London: Barrie & Rockliff, 1963.
Cita MLA (9th ed.)Hawton, Hector. The Humanist Revolution. Barrie & Rockliff, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.