APA (7th ed.) Citation

Cambridge University Press. (2010). Cambridge key english test 1: With answers : examinations papers from University of Cambridge ESOL examinations : english for speakers of other languages ([New ed., 3rd printing 2010].). Cambridge University Press.

Chicago Style (17th ed.) Citation

Cambridge University Press. Cambridge Key English Test 1: With Answers : Examinations Papers from University of Cambridge ESOL Examinations : English for Speakers of Other Languages. [New ed., 3rd printing 2010]. Cambridge, United Kingdom: Cambridge University Press, 2010.

MLA (9th ed.) Citation

Cambridge University Press. Cambridge Key English Test 1: With Answers : Examinations Papers from University of Cambridge ESOL Examinations : English for Speakers of Other Languages. [New ed., 3rd printing 2010]. Cambridge University Press, 2010.