Cita APA (7a ed.)

Zund, E. (1938). Révélations. [s.n.].

Cita Chicago Style (17a ed.)

Zund, Ernest. Révélations. Bruxelle: [s.n.], 1938.

Cita MLA (9a ed.)

Zund, Ernest. Révélations. [s.n.], 1938.