APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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