Cita APA (7th ed.)

Ludendorff, M. (1954). The origin and nature of the soul. Hohe Warte.

Cita Chicago (17th ed.)

Ludendorff, Mathilde. The Origin and Nature of the Soul. Pähl: Hohe Warte, 1954.

Cita MLA (9th ed.)

Ludendorff, Mathilde. The Origin and Nature of the Soul. Hohe Warte, 1954.