APA (7th ed.) Citation

Cowie, A. P., & Mackin, R. (1975). Oxford dictionary of current idiomatic English. Oxford University Press.

Chicago Style (17th ed.) Citation

Cowie, Anthony Paul, and Ronald Mackin. Oxford Dictionary of Current Idiomatic English. Oxford: Oxford University Press, 1975.

MLA (9th ed.) Citation

Cowie, Anthony Paul, and Ronald Mackin. Oxford Dictionary of Current Idiomatic English. Oxford University Press, 1975.