Cita APA (7a ed.)

McLuhan, M. (1968). Understanding media: The extensions of man ([1st ed., repr.].). Sphere Books.

Cita Chicago Style (17a ed.)

McLuhan, Marshall. Understanding Media: The Extensions of Man. [1st ed., repr.]. London: Sphere Books, 1968.

Cita MLA (9a ed.)

McLuhan, Marshall. Understanding Media: The Extensions of Man. [1st ed., repr.]. Sphere Books, 1968.