APA (7th ed.) Citation

Otto, F. (2010). Der verlorene Frieden. Geo-Epoche.

Chicago Style (17th ed.) Citation

Otto, Frank. "Der Verlorene Frieden." Geo-Epoche 2010.

MLA (8th ed.) Citation

Otto, Frank. "Der Verlorene Frieden." Geo-Epoche, 2010.

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