Cita APA (7th ed.)

Fries, F. R. (1974). Das Luft-Schiff. Hinstorff.

Cita Chicago (17th ed.)

Fries, Fritz Rudolf. Das Luft-Schiff. Rostock: Hinstorff, 1974.

Cita MLA (8th ed.)

Fries, Fritz Rudolf. Das Luft-Schiff. Hinstorff, 1974.