APA (7th ed.) Citation

(1994). Cambridge proficiency examination practice (1. publ. 1990, 6. print.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Cambridge Proficiency Examination Practice. 1. publ. 1990, 6. print. Cambridge [u.a.]: Cambridge Univ. Press, 1994.

MLA (9th ed.) Citation

Cambridge Proficiency Examination Practice. 1. publ. 1990, 6. print. Cambridge Univ. Press, 1994.