APA (7th ed.) Citation

Crystal, D. (2012). English as a Global Language (2. ed.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Crystal, David. English as a Global Language. 2. ed. Cambridge u.a: Cambridge Univ. Press, 2012.

MLA (9th ed.) Citation

Crystal, David. English as a Global Language. 2. ed. Cambridge Univ. Press, 2012.