APA (7th ed.) Citation

Harmer, J. (1998). How To Teach English: An Introduction To The Practice Of English Language Teaching. Longman.

Chicago Style (17th ed.) Citation

Harmer, Jeremy. How To Teach English: An Introduction To The Practice Of English Language Teaching. UK: Longman, 1998.

MLA (9th ed.) Citation

Harmer, Jeremy. How To Teach English: An Introduction To The Practice Of English Language Teaching. Longman, 1998.