APA (7th ed.) Citation

Thornbury. (2005). How to teach speaking. Longman.

Chicago Style (17th ed.) Citation

Thornbury. How to Teach Speaking. Harlow,England: Longman, 2005.

MLA (9th ed.) Citation

Thornbury. How to Teach Speaking. Longman, 2005.

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