APA (7th ed.) Citation

Allen, R. (1984). The pocket Oxford dictionary of current english (7. ed.). Clarendon Press.

Chicago Style (17th ed.) Citation

Allen, R.E. The Pocket Oxford Dictionary of Current English. 7. ed. Oxford: Clarendon Press, 1984.

MLA (9th ed.) Citation

Allen, R.E. The Pocket Oxford Dictionary of Current English. 7. ed. Clarendon Press, 1984.