Cita APA (7th ed.)

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.