APA (7th ed.) Citation

Crystal. (2000). Words on words: Quotations about language and languages. Penguin Books.

Chicago Style (17th ed.) Citation

Crystal. Words on Words: Quotations About Language and Languages. London: Penguin Books, 2000.

MLA (8th ed.) Citation

Crystal. Words on Words: Quotations About Language and Languages. Penguin Books, 2000.

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