APA (7th ed.) Citation

Crystal, D. (1992). An encyclopedic dictionary of language and languages. Blackwell.

Chicago Style (17th ed.) Citation

Crystal, David. An Encyclopedic Dictionary of Language and Languages. Oxford, UK: Blackwell, 1992.

MLA (9th ed.) Citation

Crystal, David. An Encyclopedic Dictionary of Language and Languages. Blackwell, 1992.

Warning: These citations may not always be 100% accurate.