APA (7th ed.) Citation

Roth, D., & Demian, A. Der Kolibri. Jugendverlag.

Chicago Style (17th ed.) Citation

Roth, Dieter, and A. Demian. Der Kolibri. Bukarest: Jugendverlag.

MLA (8th ed.) Citation

Roth, Dieter, and A. Demian. Der Kolibri. Jugendverlag.

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