APA (7th ed.) Citation

Hornby, Ashby, & Wehmeier. (2000). Oxford advanced learner's dictionary of current English (6th ed.). Oxford University Pres.

Chicago Style (17th ed.) Citation

Hornby, Ashby, and Wehmeier. Oxford Advanced Learner's Dictionary of Current English. 6th ed. Oxford: Oxford University Pres, 2000.

MLA (8th ed.) Citation

Hornby, et al. Oxford Advanced Learner's Dictionary of Current English. 6th ed. Oxford University Pres, 2000.