Cita APA (7a ed.)

Seidlhofer, B., & Cook, G. (1995). Principle & practice in applied linguistics: Studies in honour of H. G. Widdowson. Oxford University Press.

Cita Chicago Style (17a ed.)

Seidlhofer, Barbara, y Guy Cook. Principle & Practice in Applied Linguistics: Studies in Honour of H. G. Widdowson. London: Oxford University Press, 1995.

Cita MLA (9a ed.)

Seidlhofer, Barbara, y Guy Cook. Principle & Practice in Applied Linguistics: Studies in Honour of H. G. Widdowson. Oxford University Press, 1995.