APA (7th ed.) Citation

Nash, W. (1986). English usage: A guide to first principles. Routledge & K. Paul.

Chicago Style (17th ed.) Citation

Nash, Walter. English Usage: A Guide to First Principles. London: Routledge & K. Paul, 1986.

MLA (9th ed.) Citation

Nash, Walter. English Usage: A Guide to First Principles. Routledge & K. Paul, 1986.