APA (7th ed.) Citation

Collingwood, R. G. (1958). The principles of art. Oxford U.P..

Chicago Style (17th ed.) Citation

Collingwood, R. G. The Principles of Art. London: Oxford U.P., 1958.

MLA (8th ed.) Citation

Collingwood, R. G. The Principles of Art. Oxford U.P., 1958.