APA (7th ed.) Citation

Thornbury, S.. (1997). About language: Tasks for teachers of English. Cambridge University Press.

Chicago Style (17th ed.) Citation

Thornbury, Scott. About Language: Tasks for Teachers of English. Cambridge: Cambridge University Press, 1997.

MLA (9th ed.) Citation

Thornbury, Scott. About Language: Tasks for Teachers of English. Cambridge University Press, 1997.