APA (7th ed.) Citation

Andrews, R., & Hughes, K. (2001). The new Penguin dictionary of modern quotations. Penguin.

Chicago Style (17th ed.) Citation

Andrews, Robert, and Kate Hughes. The New Penguin Dictionary of Modern Quotations. London ; New York: Penguin, 2001.

MLA (9th ed.) Citation

Andrews, Robert, and Kate Hughes. The New Penguin Dictionary of Modern Quotations. Penguin, 2001.