APA (7th ed.) Citation

Blundell, J., Higgens, J., & Middlemiss, N. (1982). Function in English. Oxford University Press.

Chicago Style (17th ed.) Citation

Blundell, Jon, Jonathan Higgens, and Nigel Middlemiss. Function in English. Oxford: Oxford University Press, 1982.

MLA (9th ed.) Citation

Blundell, Jon, et al. Function in English. Oxford University Press, 1982.