Cita APA (7a ed.)

Hornby, A. A., & Mackin, R. A. (1965). Oxford progressive english alternative course: Book B. Oxford University Press.

Cita Chicago Style (17a ed.)

Hornby, A.S. Autor, y R. Autor Mackin. Oxford Progressive English Alternative Course: Book B. Londres: Oxford University Press, 1965.

Cita MLA (9a ed.)

Hornby, A.S. Autor, y R. Autor Mackin. Oxford Progressive English Alternative Course: Book B. Oxford University Press, 1965.