APA (7th ed.) Citation

Brown, H. D. (2007). Principles of language learning and teaching (5. ed.). Pearson Longman.

Chicago Style (17th ed.) Citation

Brown, H. Douglas. Principles of Language Learning and Teaching. 5. ed. White Plains, NY: Pearson Longman, 2007.

MLA (9th ed.) Citation

Brown, H. Douglas. Principles of Language Learning and Teaching. 5. ed. Pearson Longman, 2007.