APA (7th ed.) Citation

Hornby, A. S. (1975). Guide to patterns and usage in English. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Hornby, A S. Guide to Patterns and Usage in English. Oxford Univ. Press, 1975.

MLA (8th ed.) Citation

Hornby, A S. Guide to Patterns and Usage in English. Oxford Univ. Press, 1975.

Warning: These citations may not always be 100% accurate.