Cita APA (7th ed.)

Hornby, A. (1962). A guide to patterns & usage in english. O.U.P.

Cita Chicago (17th ed.)

Hornby, A. A Guide to Patterns & Usage in English. London: O.U.P, 1962.

Cita MLA (9th ed.)

Hornby, A. A Guide to Patterns & Usage in English. O.U.P, 1962.