Helmer, W. Fuldaer Bürgerwappen ([Xerokop.].).
Cita Chicago (17th ed.)Helmer, Wilhelm. Fuldaer Bürgerwappen. [Xerokop.].
Cita MLA (8th ed.)Helmer, Wilhelm. Fuldaer Bürgerwappen. [Xerokop.].
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)