APA (7th ed.) Citation

Thornbury & Harmer. (2005). How to teach Speaking. Pearson Education Limited.

Chicago Style (17th ed.) Citation

Thornbury and Harmer. How to Teach Speaking. England: Pearson Education Limited, 2005.

MLA (8th ed.) Citation

Thornbury and Harmer. How to Teach Speaking. Pearson Education Limited, 2005.