APA (7th ed.) Citation

Copperud, R. H. (1964). A dictionary of usage and style. Hawthorn Books.

Chicago Style (17th ed.) Citation

Copperud, Roy H. A Dictionary of Usage and Style. New York: Hawthorn Books, 1964.

MLA (9th ed.) Citation

Copperud, Roy H. A Dictionary of Usage and Style. Hawthorn Books, 1964.