APA (7th ed.) Citation

Smith, N. V., & Wilson, D. (1979). Modern linguistics: The results of Chomsky's revolution. Penguin Books.

Chicago Style (17th ed.) Citation

Smith, N. V., and Deirdre Wilson. Modern Linguistics: The Results of Chomsky's Revolution. England: Penguin Books, 1979.

MLA (9th ed.) Citation

Smith, N. V., and Deirdre Wilson. Modern Linguistics: The Results of Chomsky's Revolution. Penguin Books, 1979.