APA (7th ed.) Citation

Vegard, L. (1923). Auroral spectra at different altitudes and the origin of the green auroral line: Second communication. Dybwad.

Chicago Style (17th ed.) Citation

Vegard, Lars. Auroral Spectra at Different Altitudes and the Origin of the Green Auroral Line: Second Communication. Christiania: Dybwad, 1923.

MLA (9th ed.) Citation

Vegard, Lars. Auroral Spectra at Different Altitudes and the Origin of the Green Auroral Line: Second Communication. Dybwad, 1923.

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