APA (7th ed.) Citation

Harmer. (2007). How to teach English. Pearson Education Limited.

Chicago Style (17th ed.) Citation

Harmer. How to Teach English. England: Pearson Education Limited, 2007.

MLA (8th ed.) Citation

Harmer. How to Teach English. Pearson Education Limited, 2007.

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