APA (7th ed.) Citation

Harmer, J. (2004). How to teach writing / Jeremy Harmer. Longman.

Chicago Style (17th ed.) Citation

Harmer, Jeremy. How to Teach Writing / Jeremy Harmer. Longman, 2004.

MLA (8th ed.) Citation

Harmer, Jeremy. How to Teach Writing / Jeremy Harmer. Longman, 2004.

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