APA (7th ed.) Citation

Hubson, A. (2001). The Oxford Dictionary of difficult words (1st edition.). Oxford.

Chicago Style (17th ed.) Citation

Hubson, Archie. The Oxford Dictionary of Difficult Words. 1st edition. New York: Oxford, 2001.

MLA (9th ed.) Citation

Hubson, Archie. The Oxford Dictionary of Difficult Words. 1st edition. Oxford, 2001.