APA (7th ed.) Citation

Graddol, D., Cheshire, J., & Swann, J. (1994). Describing language (2nd ed.). Open University Press.

Chicago Style (17th ed.) Citation

Graddol, David, Jenny Cheshire, and Joan Swann. Describing Language. 2nd ed. Buckingham: Open University Press, 1994.

MLA (9th ed.) Citation

Graddol, David, et al. Describing Language. 2nd ed. Open University Press, 1994.