APA (7th ed.) Citation

Trappes Lomax, H. (1997). Oxford learner's wordfinder dictionary. Oxford University Press.

Chicago Style (17th ed.) Citation

Trappes Lomax, Hugh. Oxford Learner's Wordfinder Dictionary. Oxford: Oxford University Press, 1997.

MLA (9th ed.) Citation

Trappes Lomax, Hugh. Oxford Learner's Wordfinder Dictionary. Oxford University Press, 1997.