APA (7th ed.) Citation

Harmer, J. (2009). How to teach english. Person Educatión Limited.

Chicago Style (17th ed.) Citation

Harmer, Jeremy. How to Teach English. Edinburgh: Person Educatión Limited, 2009.

MLA (9th ed.) Citation

Harmer, Jeremy. How to Teach English. Person Educatión Limited, 2009.