APA (7th ed.) Citation

Cowie, A. P., R. Mackin, R., & I.R. McCaig, I. (1993). OxforD dictionary of english idioms. Oxford University Press.

Chicago Style (17th ed.) Citation

Cowie, A. P., R. R. Mackin, and I.R I.R. McCaig. OxforD Dictionary of English Idioms. Oxford: Oxford University Press, 1993.

MLA (9th ed.) Citation

Cowie, A. P., et al. OxforD Dictionary of English Idioms. Oxford University Press, 1993.