APA (7th ed.) Citation

Butterfield, J. (2015). Fowler's dictionary of modern English usage (Fourth edition.). Oxford University Press. https://doi.org/10.1093/acref/9780199661350.001.0001

Chicago Style (17th ed.) Citation

Butterfield, Jeremy. Fowler's Dictionary of Modern English Usage. Fourth edition. Oxford: Oxford University Press, 2015. https://doi.org/10.1093/acref/9780199661350.001.0001.

MLA (9th ed.) Citation

Butterfield, Jeremy. Fowler's Dictionary of Modern English Usage. Fourth edition. Oxford University Press, 2015. https://doi.org/10.1093/acref/9780199661350.001.0001.