APA-referens (7:e uppl.)

Kenneth, J. (1977). The age of uncertainty (ed.). Houghton Mifflin Co..

Chicago-referens (17:e uppl.)

Kenneth, John. The Age of Uncertainty. ed. Boston: Houghton Mifflin Co., 1977.

MLA-referens (9:e uppl.)

Kenneth, John. The Age of Uncertainty. ed. Houghton Mifflin Co., 1977.