APA (7th ed.) Citation

Richards Jak C., Hull, & Protor. (1995). Changes: 2 class cassette set B. Cambridge University Press.

Chicago Style (17th ed.) Citation

Richards Jak C., Hull, and Protor. Changes: 2 Class Cassette Set B. UK: Cambridge University Press, 1995.

MLA (8th ed.) Citation

Richards Jak C., et al. Changes: 2 Class Cassette Set B. Cambridge University Press, 1995.