APA (7th ed.) Citation

Trask, R. L. (1999). Language: The basics (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Trask, R. L. Language: The Basics. 2nd ed. London ; New York: Routledge, 1999.

MLA (9th ed.) Citation

Trask, R. L. Language: The Basics. 2nd ed. Routledge, 1999.