APA (7th ed.) Citation

O'Sullivan, Swan, & Walter. (1992). The New Cambridege English Course: Test book 3 intermediate. Cambridge University Press.

Chicago Style (17th ed.) Citation

O'Sullivan, Swan, and Walter. The New Cambridege English Course: Test Book 3 Intermediate. New York: Cambridge University Press, 1992.

MLA (8th ed.) Citation

O'Sullivan, et al. The New Cambridege English Course: Test Book 3 Intermediate. Cambridge University Press, 1992.