Cita APA (7a ed.)

Hornby, A. (1989). Oxford advanced learner's dictionary of current english (4th ed.). Oxford university press.

Cita Chicago Style (17a ed.)

Hornby, A. Oxford Advanced Learner's Dictionary of Current English. 4th ed. Oxford: Oxford university press, 1989.

Cita MLA (9a ed.)

Hornby, A. Oxford Advanced Learner's Dictionary of Current English. 4th ed. Oxford university press, 1989.