Shapley, H. (1922). The galactic system ([Reprinted from Nature, October 21 and 28, 1922].).
Chicago-Zitierstil (17. Ausg.)Shapley, Harlow. The Galactic System. [Reprinted from Nature, October 21 and 28, 1922]. [Edinburgh], 1922.
MLA-Zitierstil (9. Ausg.)Shapley, Harlow. The Galactic System. [Reprinted from Nature, October 21 and 28, 1922]. 1922.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.