Cita APA (7a ed.)

Vries, J. d. (1932). Critica rationis. [s.n.].

Cita Chicago Style (17a ed.)

Vries, Josef de. Critica Rationis. Falkenburg: [s.n.], 1932.

Cita MLA (9a ed.)

Vries, Josef de. Critica Rationis. [s.n.], 1932.