APA (7th ed.) Citation

Prior, A. N. (1955). Formal logic. Clarendon.

Chicago Style (17th ed.) Citation

Prior, A. N. Formal Logic. Oxford: Clarendon, 1955.

MLA (9th ed.) Citation

Prior, A. N. Formal Logic. Clarendon, 1955.

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