APA-Zitierstil (7. Ausg.)

Shapley, H. (1915). A study of the orbits of eclipsing binaries. The Observatory.

Chicago-Zitierstil (17. Ausg.)

Shapley, Harlow. A Study of the Orbits of Eclipsing Binaries. Princeton, N.J: The Observatory, 1915.

MLA-Zitierstil (9. Ausg.)

Shapley, Harlow. A Study of the Orbits of Eclipsing Binaries. The Observatory, 1915.