APA (7th ed.) Citation

Crystal, D., & Crystal, D. (1994). The Cambridge biographical encyclopedia. Cambridge University Press.

Chicago Style (17th ed.) Citation

Crystal, David, and David Crystal. The Cambridge Biographical Encyclopedia. Cambridge ; New York: Cambridge University Press, 1994.

MLA (8th ed.) Citation

Crystal, David, and David Crystal. The Cambridge Biographical Encyclopedia. Cambridge University Press, 1994.