APA (7th ed.) Citation

Quirk, R., & Stein, G. (1990). English in use. Longman.

Chicago Style (17th ed.) Citation

Quirk, Randolph, and Gabriele Stein. English in Use. Essex: Longman, 1990.

MLA (9th ed.) Citation

Quirk, Randolph, and Gabriele Stein. English in Use. Longman, 1990.