APA-referens

Clarke, A. C. (1984). Profiles of the future: An inquiry into the limits of the possible. New York: Holt.

Chicago-stil citat

Clarke, Arthur C. Profiles of the Future: An Inquiry Into the Limits of the Possible. New York: Holt, 1984.

MLA-referens

Clarke, Arthur C. Profiles of the Future: An Inquiry Into the Limits of the Possible. New York: Holt, 1984.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.