Wagner, R. (1960). The ring of the Nibelung / by Richard Wagner ; translated and with a foreword by Stewart Robb ; introduction by Edward Downes ; illustrations by Jim McMullan.
Chicago-referens (17:e uppl.)Wagner, Richard. The Ring of the Nibelung / by Richard Wagner ; Translated and with a Foreword by Stewart Robb ; Introduction by Edward Downes ; Illustrations by Jim McMullan. New York : E.P. Dutton, 1960.
MLA-referens (9:e uppl.)Wagner, Richard. The Ring of the Nibelung / by Richard Wagner ; Translated and with a Foreword by Stewart Robb ; Introduction by Edward Downes ; Illustrations by Jim McMullan. 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.