APA (7th ed.) Citation

Grieg, E., Lukas, R., & Zeininger, M. Der Fichtenbaum.

Chicago Style (17th ed.) Citation

Grieg, Edvard, Ralf Lukas, and Matthias Zeininger. Der Fichtenbaum.

MLA (9th ed.) Citation

Grieg, Edvard, et al. Der Fichtenbaum.

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