APA (7th ed.) Citation

Hornby, A. (2010). Oxford advanced learner's dictionary of current english (8th ed.). U.Pr.

Chicago Style (17th ed.) Citation

Hornby, A.S. Oxford Advanced Learner's Dictionary of Current English. 8th ed. Oxford: U.Pr, 2010.

MLA (9th ed.) Citation

Hornby, A.S. Oxford Advanced Learner's Dictionary of Current English. 8th ed. U.Pr, 2010.