APA (7th ed.) Citation

H. Hildebrandson: Das Polarlicht in Spitzbergen.

Chicago Style (17th ed.) Citation

H. Hildebrandson: Das Polarlicht in Spitzbergen.

MLA (9th ed.) Citation

H. Hildebrandson: Das Polarlicht in Spitzbergen.

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