Shapley, H., Shapley, H., & Richmond, M. L. (1921). Studies based on the colors and magnitudes in stellar clusters (Reprinted from the "Astrophysical journal", T. LIV, 1921.). s.t.
Chicago-Zitierstil (17. Ausg.)Shapley, Harlow, Harlow Shapley, und Myrtle L. Richmond. Studies Based on the Colors and Magnitudes in Stellar Clusters. Reprinted from the "Astrophysical journal", T. LIV, 1921. Washington: s.t, 1921.
MLA-Zitierstil (9. Ausg.)Shapley, Harlow, et al. Studies Based on the Colors and Magnitudes in Stellar Clusters. Reprinted from the "Astrophysical journal", T. LIV, 1921. s.t, 1921.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.