APA (7th ed.) Citation

Crystal, D. (2003). English as a global language (2nd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Crystal, David. English as a Global Language. 2nd ed. New York ; New Delhi: Cambridge University Press, 2003.

MLA (8th ed.) Citation

Crystal, David. English as a Global Language. 2nd ed. Cambridge University Press, 2003.