APA-Zitierstil (7. Ausg.)

Svenonius, B. (1938). Contributions to the photographic study of colour, resolution and total magnitude of anagalactic objects: With special regard to objects photographed at Helwan, by. Published by the Observatory.

Chicago-Zitierstil (17. Ausg.)

Svenonius, Björn. Contributions to the Photographic Study of Colour, Resolution and Total Magnitude of Anagalactic Objects: With Special Regard to Objects Photographed at Helwan, by. Lund, Sweden: Published by the Observatory, 1938.

MLA-Zitierstil (8. Ausg.)

Svenonius, Björn. Contributions to the Photographic Study of Colour, Resolution and Total Magnitude of Anagalactic Objects: With Special Regard to Objects Photographed at Helwan, by. Published by the Observatory, 1938.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.