APA Citation

Shapley, H. (1928). Studies of the Galactic Center: I. The Program for Milky Way Variable Stars.

Chicago Style Citation

Shapley, Harlow. Studies of the Galactic Center: I. The Program for Milky Way Variable Stars. 1928.

MLA Citation

Shapley, Harlow. Studies of the Galactic Center: I. The Program for Milky Way Variable Stars. 1928.

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