APA (7th ed.) Citation

Graham, J. (1991). The Penguin dictionary of telecommunications (Rev. ed.). Penguin.

Chicago Style (17th ed.) Citation

Graham, John. The Penguin Dictionary of Telecommunications. Rev. ed. London: Penguin, 1991.

MLA (9th ed.) Citation

Graham, John. The Penguin Dictionary of Telecommunications. Rev. ed. Penguin, 1991.

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