APA (7th ed.) Citation

Harvey, S. P. (1946). The Oxford companion to English literature (3rd ed.). Clarendon Press.

Chicago Style (17th ed.) Citation

Harvey, Sir Paul. The Oxford Companion to English Literature. 3rd ed. Oxford: Clarendon Press, 1946.

MLA (9th ed.) Citation

Harvey, Sir Paul. The Oxford Companion to English Literature. 3rd ed. Clarendon Press, 1946.