Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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