APA (7th ed.) Citation

Johnson, K., & Morrow, K. (1979). Approaches: A language activation course for intermediate students. Cambridge University.

Chicago Style (17th ed.) Citation

Johnson, Keith, and Keith Morrow. Approaches: A Language Activation Course for Intermediate Students. Cambridge: Cambridge University, 1979.

MLA (9th ed.) Citation

Johnson, Keith, and Keith Morrow. Approaches: A Language Activation Course for Intermediate Students. Cambridge University, 1979.