APA (7th ed.) Citation

Hornby, A. (1977). Oxford advanced learner`s dictionary of current english. University Press.

Chicago Style (17th ed.) Citation

Hornby, A. Oxford Advanced Learner`s Dictionary of Current English. Oxford: University Press, 1977.

MLA (9th ed.) Citation

Hornby, A. Oxford Advanced Learner`s Dictionary of Current English. University Press, 1977.