APA (7th ed.) Citation

Powling Anne, O'Connor John, & Barton Geoff. (1996). New Oxford English 4. Oxford University Press.

Chicago Style (17th ed.) Citation

Powling Anne, O'Connor John, and Barton Geoff. New Oxford English 4. Oxford University Press, 1996.

MLA (8th ed.) Citation

Powling Anne, et al. New Oxford English 4. Oxford University Press, 1996.