APA (7th ed.) Citation

Ayto, J. (2010). Oxford dictionary of English idioms (3rd ed., Oxford pbk ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Ayto, John. Oxford Dictionary of English Idioms. 3rd ed., Oxford pbk ed. Oxford: Oxford University Press, 2010.

MLA (9th ed.) Citation

Ayto, John. Oxford Dictionary of English Idioms. 3rd ed., Oxford pbk ed. Oxford University Press, 2010.