APA (7th ed.) Citation

Oxford... (2003). Oxford English Reference Dictionary, The World's Most Trusted Dictionaries, 2nd Ed. Oxford University Press.

Chicago Style (17th ed.) Citation

Oxford... Oxford English Reference Dictionary, The World's Most Trusted Dictionaries, 2nd Ed. Oxford University Press, 2003.

MLA (8th ed.) Citation

Oxford... Oxford English Reference Dictionary, The World's Most Trusted Dictionaries, 2nd Ed. Oxford University Press, 2003.