Fowle, F. E. (1908). Annals of the Astrophysical Observatory of the Smithsonian Institution: By C. G. Abbot and F. E. Fowle. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)Fowle, F. E. Annals of the Astrophysical Observatory of the Smithsonian Institution: By C. G. Abbot and F. E. Fowle. Washington: Government Printing Office, 1908.
MLA-Zitierstil (9. Ausg.)Fowle, F. E. Annals of the Astrophysical Observatory of the Smithsonian Institution: By C. G. Abbot and F. E. Fowle. Government Printing Office, 1908.
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