APA (7th ed.) Citation

Brown, H. D. (2001). Teaching by principles: An interactive approach to language pedagogy (2a. ed.). Longman.

Chicago Style (17th ed.) Citation

Brown, H. Douglas. Teaching by Principles: An Interactive Approach to Language Pedagogy. 2a. ed. Essex: Longman, 2001.

MLA (9th ed.) Citation

Brown, H. Douglas. Teaching by Principles: An Interactive Approach to Language Pedagogy. 2a. ed. Longman, 2001.