APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Cowie, Anthony Paul, Ronald Mackin, and I. R. McCaig. Oxford Dictionary of English Idioms. Oxford: Oxford University Press, 1993.

MLA (9th ed.) Citation

Cowie, Anthony Paul, et al. Oxford Dictionary of English Idioms. Oxford University Press, 1993.