APA (7th ed.) Citation

McLuhan, M. (1968). Understanding media: The extensions of man (4. impress.). Routledge & Paul.

Chicago Style (17th ed.) Citation

McLuhan, Marshall. Understanding Media: The Extensions of Man. 4. impress. London: Routledge & Paul, 1968.

MLA (9th ed.) Citation

McLuhan, Marshall. Understanding Media: The Extensions of Man. 4. impress. Routledge & Paul, 1968.

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