Cita APA (7th ed.)

Blum, A. (2012). Tubes: Behind the scenes at the Internet (NA.). Penguin Books.

Cita Chicago (17th ed.)

Blum, Andrew. Tubes: Behind the Scenes at the Internet. NA. New York: Penguin Books, 2012.

Cita MLA (9th ed.)

Blum, Andrew. Tubes: Behind the Scenes at the Internet. NA. Penguin Books, 2012.