APA-viite

Clarke, A. C. (1958). Profiles of the future an enquiry into the limits of the possible. Harper.

Chicago-tyylinen lähdeviittaus

Clarke, Arthur C. Profiles of the Future an Enquiry into the Limits of the Possible. New York: Harper, 1958.

MLA-viite

Clarke, Arthur C. Profiles of the Future an Enquiry into the Limits of the Possible. Harper, 1958.