Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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