APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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