Cita APA (7a ed.)

Hornby, A. S. (1970). A guide to patterns and usage in English. Oxford University Press.

Cita Chicago Style (17a ed.)

Hornby, A. S. A Guide to Patterns and Usage in English. London: Oxford University Press, 1970.

Cita MLA (8a ed.)

Hornby, A. S. A Guide to Patterns and Usage in English. Oxford University Press, 1970.