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 ; New York: Cambridge University Press, 1997.

MLA (8th ed.) Citation

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