Cita APA (7a ed.)

Ruge, A. (1861). Was wir brauchen. [s.n.].

Cita Chicago Style (17a ed.)

Ruge, Arnold. Was Wir Brauchen. Bremen: [s.n.], 1861.

Cita MLA (9a ed.)

Ruge, Arnold. Was Wir Brauchen. [s.n.], 1861.