APA-referens (7:e uppl.)

Zerzan, J. (2008). Twilight of the machines. Feral House.

Chicago-referens (17:e uppl.)

Zerzan, John. Twilight of the Machines. Port Townsend, WA: Feral House, 2008.

MLA-referens (9:e uppl.)

Zerzan, John. Twilight of the Machines. Feral House, 2008.