APA (7th ed.) Citation

Horn, H. (1987). "Zone 9": Romanfragment. [Eigendruck].

Chicago Style (17th ed.) Citation

Horn, Hans. "Zone 9": Romanfragment. Schwalmstadt: [Eigendruck], 1987.

MLA (8th ed.) Citation

Horn, Hans. "Zone 9": Romanfragment. [Eigendruck], 1987.

Warning: These citations may not always be 100% accurate.