APA Edition Citation

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

Chicago Edition Citation

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

MLA Edition Citation

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

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.