APA (7th ed.) Citation

Hornby, A. S. (1954). A guide to patterns and usage in English. Oxford University Press.

Chicago Style (17th ed.) Citation

Hornby, Albert Sydney. A Guide to Patterns and Usage in English. London: Oxford University Press, 1954.

MLA (9th ed.) Citation

Hornby, Albert Sydney. A Guide to Patterns and Usage in English. Oxford University Press, 1954.