APA
Wilson C., . (1985). Rudolf Steiner. Milano: Longanesi e C.
Chicago
Wilson Colin, . 1985. Rudolf Steiner. Milano: Longanesi e C.
Harvard
Wilson C., . (1985). Rudolf Steiner. Milano: Longanesi e C.
MLA
Wilson Colin, . Rudolf Steiner. Milano: Longanesi e C. 1985.
