Cita APA (7th ed.)

Sircello, G. (1975). A new theory of beauty. Princeton Univ. Press.

Cita Chicago (17th ed.)

Sircello, Guy. A New Theory of Beauty. Princeton [u.a.]: Princeton Univ. Press, 1975.

Cita MLA (8th ed.)

Sircello, Guy. A New Theory of Beauty. Princeton Univ. Press, 1975.