Duda, G. Was ist und was will die Ludendorff-Bewegung? Verlag Hohe Warte.
Citação do estilo Chicago (17ª ed.)Duda, Gunther. Was Ist Und Was Will Die Ludendorff-Bewegung? [Ohne Ort]: Verlag Hohe Warte.
Citação MLA (8ª ed.)Duda, Gunther. Was Ist Und Was Will Die Ludendorff-Bewegung? Verlag Hohe Warte.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.