APA (7th ed.) Citation

Collingwood, R. G. (1972). An essay on metaphysics. H. Regnery.

Chicago Style (17th ed.) Citation

Collingwood, Robin George. An Essay on Metaphysics. Chicago: H. Regnery, 1972.

MLA (9th ed.) Citation

Collingwood, Robin George. An Essay on Metaphysics. H. Regnery, 1972.

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