APA (7th ed.) Citation

Doff, A., & Jones, C. V. (1999). Language in use: Beginner. Cambridge University Press.

Chicago Style (17th ed.) Citation

Doff, Adrian, and Christopher V. Jones. Language in Use: Beginner. Cambridge: Cambridge University Press, 1999.

MLA (9th ed.) Citation

Doff, Adrian, and Christopher V. Jones. Language in Use: Beginner. Cambridge University Press, 1999.