APA (7th ed.) Citation

O'Sullivan. (1992). The new Cambridge english cource practice 3 intermediate. Cambridge University Press.

Chicago Style (17th ed.) Citation

O'Sullivan. The New Cambridge English Cource Practice 3 Intermediate. Cambridge: Cambridge University Press, 1992.

MLA (8th ed.) Citation

O'Sullivan. The New Cambridge English Cource Practice 3 Intermediate. Cambridge University Press, 1992.