APA (7th ed.) Citation

Collingwood, R. G. (1963). Speculum mentis: Or, The map of knowledge. Clarendon Press.

Chicago Style (17th ed.) Citation

Collingwood, Robin George. Speculum Mentis: Or, The Map of Knowledge. Oxford: Clarendon Press, 1963.

MLA (9th ed.) Citation

Collingwood, Robin George. Speculum Mentis: Or, The Map of Knowledge. Clarendon Press, 1963.