Cita APA (7a ed.)

Hornby, A. S. (1993). Oxford advanced learner's dictionary of current english (9th ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Hornby, A S. Oxford Advanced Learner's Dictionary of Current English. 9th ed. Oxford: Oxford University Press, 1993.

Cita MLA (8a ed.)

Hornby, A S. Oxford Advanced Learner's Dictionary of Current English. 9th ed. Oxford University Press, 1993.