APA (7th ed.) Citation

Trask, R. L. (2007). Language and linguistics: The key concepts (2. ed.). Routledge.

Chicago Style (17th ed.) Citation

Trask, Robert L. Language and Linguistics: The Key Concepts. 2. ed. Abingdon [u.a.]: Routledge, 2007.

MLA (9th ed.) Citation

Trask, Robert L. Language and Linguistics: The Key Concepts. 2. ed. Routledge, 2007.

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