Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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