APA (7th ed.) Citation

McLuhan. (1967). Understanding media: The extensions of man. Sphere Books.

Chicago Style (17th ed.) Citation

McLuhan. Understanding Media: The Extensions of Man. London: Sphere Books, 1967.

MLA (8th ed.) Citation

McLuhan. Understanding Media: The Extensions of Man. Sphere Books, 1967.

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