Cita APA (7th ed.)

Ruland, J., & Crampton, P. (1976). Ferdinand Freiligrath 1876/1976. Inter Nationes.

Cita Chicago (17th ed.)

Ruland, Josef, i Patricia Crampton. Ferdinand Freiligrath 1876/1976. Bonn-Bad Godesberg: Inter Nationes, 1976.

Cita MLA (8th ed.)

Ruland, Josef, i Patricia Crampton. Ferdinand Freiligrath 1876/1976. Inter Nationes, 1976.