APA (7th ed.) Citation

Lyttkens, E. (1951). Problems of dark nebulae, treated by the method of moments. Norblad.

Chicago Style (17th ed.) Citation

Lyttkens, Ejnar. Problems of Dark Nebulae, Treated by the Method of Moments. Uppsala: Norblad, 1951.

MLA (9th ed.) Citation

Lyttkens, Ejnar. Problems of Dark Nebulae, Treated by the Method of Moments. Norblad, 1951.

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