APA-viite (7. p.)
Symposium on the Future as an Academic Discipline London, England, & ebrary, Inc. (1975). The future as an academic discipline. Elsevier/Excerpta Medica/North-Holland ; American Elsevier.
Chicago-viite (17. p.)
Symposium on the Future as an Academic Discipline London, England, ja Inc ebrary. The Future as an Academic Discipline. Amsterdam : New York: Elsevier/Excerpta Medica/North-Holland ; American Elsevier, 1975.
MLA-viite (9. p.)
Symposium on the Future as an Academic Discipline London, England, ja Inc ebrary. The Future as an Academic Discipline. Elsevier/Excerpta Medica/North-Holland ; American Elsevier, 1975.
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