APA (7th ed.) Citation

Keen, J. (1978). Teaching English: A linguistic approach. Methuen.

Chicago Style (17th ed.) Citation

Keen, John. Teaching English: A Linguistic Approach. London: Methuen, 1978.

MLA (9th ed.) Citation

Keen, John. Teaching English: A Linguistic Approach. Methuen, 1978.

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