Citazione Stile APA (7a Edizione)

Armstrong, H. W. (1979). The wonderful world tomorrow what it will be like. Everest House.

Citazione stile Chigago Style (17a edizione)

Armstrong, Herbert W. The Wonderful World Tomorrow What It Will Be like. New York: Everest House, 1979.

Citatione MLA (9a ed.)

Armstrong, Herbert W. The Wonderful World Tomorrow What It Will Be like. Everest House, 1979.