APA (7th ed.) Citation

Doff, A., & Jones, C. (1991). Language in use: Pre-intermediate course: teacher's book.

Chicago Style (17th ed.) Citation

Doff, Adrian, and Christopher Jones. Language in Use: Pre-intermediate Course: Teacher's Book. Cambridge, 1991.

MLA (9th ed.) Citation

Doff, Adrian, and Christopher Jones. Language in Use: Pre-intermediate Course: Teacher's Book. 1991.