Cita APA (7th ed.)

HORNBY, A. (1975). Guide to patterns and usage in English (2nd ed.). Oxford University press.

Cita Chicago (17th ed.)

HORNBY, A.S. Guide to Patterns and Usage in English. 2nd ed. London: Oxford University press, 1975.

Cita MLA (9th ed.)

HORNBY, A.S. Guide to Patterns and Usage in English. 2nd ed. Oxford University press, 1975.