Schaper, E. (1968). Prelude to aesthetics. Allen & Unwin.
Cita Chicago (17th ed.)Schaper, Eva. Prelude to Aesthetics. London: Allen & Unwin, 1968.
Cita MLA (9th ed.)Schaper, Eva. Prelude to Aesthetics. Allen & Unwin, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.