APA (7th ed.) Citation

Hawker, Soanes, & Elliott. (2006). Oxford dictionary of current English (4th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Hawker, Soanes, and Elliott. Oxford Dictionary of Current English. 4th ed. Oxford: Oxford University Press, 2006.

MLA (8th ed.) Citation

Hawker, et al. Oxford Dictionary of Current English. 4th ed. Oxford University Press, 2006.