Cita APA (7th ed.)

Collingwood, R. G. (1947). The principles of art. Oxford University Press.

Cita Chicago (17th ed.)

Collingwood, Robin George. The Principles of Art. Oxford: Oxford University Press, 1947.

Cita MLA (9th ed.)

Collingwood, Robin George. The Principles of Art. Oxford University Press, 1947.