APA (7th ed.) Citation

Crystal, D. (2011). Language Death. Cambridge University Press. https://doi.org/10.1017/CBO9781139106856

Chicago Style (17th ed.) Citation

Crystal, David. Language Death. Cambridge: Cambridge University Press, 2011. https://doi.org/10.1017/CBO9781139106856.

MLA (9th ed.) Citation

Crystal, David. Language Death. Cambridge University Press, 2011. https://doi.org/10.1017/CBO9781139106856.