APA (7th ed.) Citation

Hornby, A. S., Turnbull, J., Bradbury, J. ?. ?. e., Deuter, M., & Hey, L. Oxford Advanced Learner's Dictionary of Current English (Ninth Edition.).

Chicago Style (17th ed.) Citation

Hornby, Albert Sydney, Joanna Turnbull, Jennifer ?c ?e editor Bradbury, Margaret Deuter, and Leonie Hey. Oxford Advanced Learner's Dictionary of Current English. Ninth Edition.

MLA (8th ed.) Citation

Hornby, Albert Sydney, et al. Oxford Advanced Learner's Dictionary of Current English. Ninth Edition.