APA-referens (7:e uppl.)

Time. (1997). Time Great Events of the 20th Century. Time Books.

Chicago-referens (17:e uppl.)

Time. Time Great Events of the 20th Century. New York: Time Books, 1997.

MLA-referens (9:e uppl.)

Time. Time Great Events of the 20th Century. Time Books, 1997.