Cita APA (7th ed.)

Collingwood, R. (1938). The Principles of art. Oxford University press.

Cita Chicago (17th ed.)

Collingwood, R.G. The Principles of Art. London: Oxford University press, 1938.

Cita MLA (9th ed.)

Collingwood, R.G. The Principles of Art. Oxford University press, 1938.