APA (7th ed.) Citation

Harmer, J. (1999). How to teach English: An introduction to the practice of English language teaching (5. impr.). Longman.

Chicago Style (17th ed.) Citation

Harmer, Jeremy. How to Teach English: An Introduction to the Practice of English Language Teaching. 5. impr. Harlow: Longman, 1999.

MLA (9th ed.) Citation

Harmer, Jeremy. How to Teach English: An Introduction to the Practice of English Language Teaching. 5. impr. Longman, 1999.