APA Style

Crystal, David. (1974). What Is Linguistics ? . London: Edward Arnold, Ltd.

Chicago Style

Crystal, David. What Is Linguistics ?. London: Edward Arnold, Ltd, 1974. Text.

MLA Style

Crystal, David. What Is Linguistics ?. London: Edward Arnold, Ltd, 1974. Text.

Turabian Style

Crystal, David. What Is Linguistics ?. London: Edward Arnold, Ltd, 1974. Print.