APA (7th ed.) Citation

Ayto, J. (2020). The Oxford dictionary of Idioms (Fourth edition.). Oxford University Press. https://doi.org/10.1093/acref/9780198845621.001.0001

Chicago Style (17th ed.) Citation

Ayto, John. The Oxford Dictionary of Idioms. Fourth edition. Oxford, United Kingdom: Oxford University Press, 2020. https://doi.org/10.1093/acref/9780198845621.001.0001.

MLA (9th ed.) Citation

Ayto, John. The Oxford Dictionary of Idioms. Fourth edition. Oxford University Press, 2020. https://doi.org/10.1093/acref/9780198845621.001.0001.