APA

Prior A. N., . (1962). Formal logic. Oxford: Clarendon Press.

Chicago

Prior Arthur N, . 1962. Formal logic. Oxford: Clarendon Press.

Harvard

Prior A. N., . (1962). Formal logic. Oxford: Clarendon Press.

MLA

Prior Arthur N, . Formal logic. Oxford: Clarendon Press. 1962.