APA (7th ed.) Citation

(1997). Cambridge Key English Test 1. Cambridge, Cambridge University Press, 1997.

Chicago Style (17th ed.) Citation

Cambridge Key English Test 1. Cambridge, Cambridge University Press, 1997, 1997.

MLA (9th ed.) Citation

Cambridge Key English Test 1. Cambridge, Cambridge University Press, 1997, 1997.

Warning: These citations may not always be 100% accurate.