Citazione APA

Shapley, H. (1933). Luminosity Distribution and Average Density of Matter in Twenty-Five Groups of Galaxies.

Stile di citazione Chicago

Shapley, Harlow. Luminosity Distribution and Average Density of Matter in Twenty-Five Groups of Galaxies. 1933.

Citazione MLA

Shapley, Harlow. Luminosity Distribution and Average Density of Matter in Twenty-Five Groups of Galaxies. 1933.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.