APA (7th ed.) Citation

Crystal, D. (1971). Linguistics. Penguin.

Chicago Style (17th ed.) Citation

Crystal, David. Linguistics. Harmondsworth, Middlesex, Eng: Penguin, 1971.

MLA (9th ed.) Citation

Crystal, David. Linguistics. Penguin, 1971.

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