Gaya APA

Freud, S. (1975). The future of an illusion, Civilization and its discontents, other works. The Standard Edition of the Complete Psychological Works. Transl.by James Strachey,in collab.with Anna Freud,assisted by Alix Strachey & Alan Tyson. Volume 21 (1927-1931) . London: London Hogarth Press.

Gaya MLA

Freud, Sigmund. "The future of an illusion, Civilization and its discontents, other works. The Standard Edition of the Complete Psychological Works. Transl.by James Strachey,in collab.with Anna Freud,assisted by Alix Strachey & Alan Tyson. Volume 21 (1927-1931)". London: London Hogarth Press, 1975. Buku.