APA (7th ed.) Citation

HORNBY, COWIE, & GIMSON. (1974). Oxford advanced learner's dictionary of current English. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

HORNBY, COWIE, and GIMSON. Oxford Advanced Learner's Dictionary of Current English. London: Oxford Univ. Press, 1974.

MLA (8th ed.) Citation

HORNBY, et al. Oxford Advanced Learner's Dictionary of Current English. Oxford Univ. Press, 1974.