APA-referens (7:e uppl.)

Rifkin, J. (1987). Time wars: The primary conflict in human history. Holt.

Chicago-referens (17:e uppl.)

Rifkin, Jeremy. Time Wars: The Primary Conflict in Human History. New York: Holt, 1987.

MLA-referens (8:e uppl.)

Rifkin, Jeremy. Time Wars: The Primary Conflict in Human History. Holt, 1987.