APA (7th ed.) Citation

Harmer, J.. (1998). How to teach English: An introduction to the practice of English language. Addison Wesley Longman.

Chicago Style (17th ed.) Citation

Harmer, Jeremy. How to Teach English: An Introduction to the Practice of English Language. Harlow, Essex, England: Addison Wesley Longman, 1998.

MLA (9th ed.) Citation

Harmer, Jeremy. How to Teach English: An Introduction to the Practice of English Language. Addison Wesley Longman, 1998.