Cita APA (7a ed.)

McLuhan, M. (1960). Understanding media: The extensions of man. Sphere Books.

Cita Chicago Style (17a ed.)

McLuhan, Marshall. Understanding Media: The Extensions of Man. London: Sphere Books, 1960.

Cita MLA (9a ed.)

McLuhan, Marshall. Understanding Media: The Extensions of Man. Sphere Books, 1960.