APA (7th ed.) Citation

Radford, A., Atkinson, M., & Britain, D. (2012). Linguistics: An introduction (2nd edition, 5th printing.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Radford, Andrew, Martin Atkinson, and David Britain. Linguistics: An Introduction. 2nd edition, 5th printing. Cambridge [a. o.]: Cambridge University Press, 2012.

MLA (8th ed.) Citation

Radford, Andrew, et al. Linguistics: An Introduction. 2nd edition, 5th printing. Cambridge University Press, 2012.