APA (7th ed.) Citation

Trask, R. L., & Stockwell, P. (2007). Language and linguistics: The key concepts. Routledge.

Chicago Style (17th ed.) Citation

Trask, R. L., and Peter Stockwell. Language and Linguistics: The Key Concepts. Oxon, UK: Routledge, 2007.

MLA (9th ed.) Citation

Trask, R. L., and Peter Stockwell. Language and Linguistics: The Key Concepts. Routledge, 2007.

Warning: These citations may not always be 100% accurate.