Cita APA (7a ed.)

Freiligrath, F. (1876). Ferdinand Freiligrath. [s.n.].

Cita Chicago Style (17a ed.)

Freiligrath, Ferdinand. Ferdinand Freiligrath. Stuttgart: [s.n.], 1876.

Cita MLA (9a ed.)

Freiligrath, Ferdinand. Ferdinand Freiligrath. [s.n.], 1876.