APA (7th ed.) Citation

Hughes, J. P. (1962). The science of language: An introduction to linguistics. Random House.

Chicago Style (17th ed.) Citation

Hughes, John P. The Science of Language: An Introduction to Linguistics. New York: Random House, 1962.

MLA (8th ed.) Citation

Hughes, John P. The Science of Language: An Introduction to Linguistics. Random House, 1962.

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