APA (7th ed.) Citation

(1974). OXford advabced learner's dictionary of current english. Oxford University Press.

Chicago Style (17th ed.) Citation

OXford Advabced Learner's Dictionary of Current English. Oxford: Oxford University Press, 1974.

MLA (8th ed.) Citation

OXford Advabced Learner's Dictionary of Current English. Oxford University Press, 1974.