APA (7th ed.) Citation

Graham, J. (1985). The Penguin dictionary of telecommunications. Penguin Book.

Chicago Style (17th ed.) Citation

Graham, John. The Penguin Dictionary of Telecommunications. Harmondsworth: Penguin Book, 1985.

MLA (9th ed.) Citation

Graham, John. The Penguin Dictionary of Telecommunications. Penguin Book, 1985.