Smithsonian Institution. Office of the Secretary, Abbot, C. G., Aldrich, L. B., & Fowle, F. E. (1916). On distribution of radiation over sun's disk and new evidences of solar variability. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Office of the Secretary, C. G. Abbot, Loyal Blaine Aldrich, and Frederick E. Fowle. On Distribution of Radiation over Sun's Disk and New Evidences of Solar Variability. Washington, D.C.: [publisher not identified], 1916.
MLA (9th ed.) CitationSmithsonian Institution. Office of the Secretary, et al. On Distribution of Radiation over Sun's Disk and New Evidences of Solar Variability. [publisher not identified], 1916.
Warning: These citations may not always be 100% accurate.