APA (7th ed.) Citation

Prior, A. N. (1949). Logic and the basis of ethics. Clarendon Press.

Chicago Style (17th ed.) Citation

Prior, A. N. Logic and the Basis of Ethics. Oxford: Clarendon Press, 1949.

MLA (8th ed.) Citation

Prior, A. N. Logic and the Basis of Ethics. Clarendon Press, 1949.