APA način citiranja (7. izdanje)

Lundmark, K. E. (1920). The relations of the globular clusters and spiral nebulæ to the stellar system: An attempt to estimate their parallaxes. Almqvist & Wiksells boktryckeri-a.-b..

Čikaški stil citiranja (17. izdanje)

Lundmark, Knut Emil. The Relations of the Globular Clusters and Spiral Nebulæ to the Stellar System: An Attempt to Estimate Their Parallaxes. Stockholm: Almqvist & Wiksells boktryckeri-a.-b., 1920.

MLA način citiranja (8. izdanje)

Lundmark, Knut Emil. The Relations of the Globular Clusters and Spiral Nebulæ to the Stellar System: An Attempt to Estimate Their Parallaxes. Almqvist & Wiksells boktryckeri-a.-b., 1920.