Helmer, G. (1966). Serienbrandstifter: Von Georg Helmer. Schmidt-Römhild.
Chicago Style (17th ed.) CitationHelmer, Georg. Serienbrandstifter: Von Georg Helmer. Lübeck: Schmidt-Römhild, 1966.
MLA (8th ed.) CitationHelmer, Georg. Serienbrandstifter: Von Georg Helmer. Schmidt-Römhild, 1966.
Warning: These citations may not always be 100% accurate.