APA (7th ed.) Citation

Davies, D. (2013). Varieties of modern English. Routledge.

Chicago Style (17th ed.) Citation

Davies, Diane. Varieties of Modern English. Oxfordshire, England ; New York, New York: Routledge, 2013.

MLA (9th ed.) Citation

Davies, Diane. Varieties of Modern English. Routledge, 2013.