(1970). Aesthetics. Martinus Nijhoff.
Cita Chicago (17th ed.)Aesthetics. The Hague: Martinus Nijhoff, 1970.
Cita MLA (9th ed.)Aesthetics. Martinus Nijhoff, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)