APA (7th ed.) Citation

Brown, H. D. (2001). Teaching by principles: An interactive approach to language pedagogy (Second edition.). Longman.

Chicago Style (17th ed.) Citation

Brown, H. Douglas. Teaching by Principles: An Interactive Approach to Language Pedagogy. Second edition. White Plains, NY: Longman, 2001.

MLA (8th ed.) Citation

Brown, H. Douglas. Teaching by Principles: An Interactive Approach to Language Pedagogy. Second edition. Longman, 2001.