Cita APA (7a ed.)

Harmer, J. (2001). The practice of English language teaching (3rd ed. completely rev. and updated.). Longman.

Cita Chicago Style (17a ed.)

Harmer, Jeremy. The Practice of English Language Teaching. 3rd ed. completely rev. and updated. London [etc.]: Longman, 2001.

Cita MLA (9a ed.)

Harmer, Jeremy. The Practice of English Language Teaching. 3rd ed. completely rev. and updated. Longman, 2001.