APA (7th ed.) Citation

Crystal, D. (1984). Who cares about english usage. penguin.

Chicago Style (17th ed.) Citation

Crystal, David. Who Cares About English Usage. middlesex: penguin, 1984.

MLA (9th ed.) Citation

Crystal, David. Who Cares About English Usage. penguin, 1984.

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