APA (7th ed.) Citation

Coe, N., Harrison, M., & Paterson, K. (2006). Oxford practice grammar basic with answers. Oxford University Press.

Chicago Style (17th ed.) Citation

Coe, Norman, Mark Harrison, and Ken Paterson. Oxford Practice Grammar Basic with Answers. Oxford: Oxford University Press, 2006.

MLA (9th ed.) Citation

Coe, Norman, et al. Oxford Practice Grammar Basic with Answers. Oxford University Press, 2006.