Citazione Stile APA (7a Edizione)

Zinn, H. (1984). The twentieth century, a people's history (1st Harper colophon ed.). Harper & Row.

Citazione stile Chigago Style (17a edizione)

Zinn, Howard. The Twentieth Century, a People's History. 1st Harper colophon ed. New York: Harper & Row, 1984.

Citatione MLA (9a ed.)

Zinn, Howard. The Twentieth Century, a People's History. 1st Harper colophon ed. Harper & Row, 1984.