APA (7th ed.) Citation

Bex, T., & Watts, R. J. (1999). Standard English: The widening debate. Routledge.

Chicago Style (17th ed.) Citation

Bex, Tony, and Richard J. Watts. Standard English: The Widening Debate. London: Routledge, 1999.

MLA (9th ed.) Citation

Bex, Tony, and Richard J. Watts. Standard English: The Widening Debate. Routledge, 1999.