APA (7th ed.) Citation

Collingwood, R. G. (1940). An essay on metaphysics. Clarendon P.

Chicago Style (17th ed.) Citation

Collingwood, R. G. An Essay on Metaphysics. Oxford: Clarendon P, 1940.

MLA (9th ed.) Citation

Collingwood, R. G. An Essay on Metaphysics. Clarendon P, 1940.

Warning: These citations may not always be 100% accurate.