APA (7th ed.) Citation

Hornby, A. S. (2005). Oxford advanced learner's dictionary of Current: English (7th ed.). O.U. Pr.

Chicago Style (17th ed.) Citation

Hornby, A. S. Oxford Advanced Learner's Dictionary of Current: English. 7th ed. Oxford: O.U. Pr, 2005.

MLA (9th ed.) Citation

Hornby, A. S. Oxford Advanced Learner's Dictionary of Current: English. 7th ed. O.U. Pr, 2005.