APA (7th ed.) Citation

Collingwood, R. G. (2004). An essay on metaphysics (Rev. ed.). Clarendon Press.

Chicago Style (17th ed.) Citation

Collingwood, R. G. An Essay on Metaphysics. Rev. ed. Oxford: Clarendon Press, 2004.

MLA (9th ed.) Citation

Collingwood, R. G. An Essay on Metaphysics. Rev. ed. Clarendon Press, 2004.