Smithsonian Institution. Office of the Secretary, Abbot, C. G., & Clayton, H. H. (1920). Variation in solar radiation and the weather. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Office of the Secretary, C. G. Abbot, and Henry Helm Clayton. Variation in Solar Radiation and the Weather. Washington, D.C.: [publisher not identified], 1920.
MLA (9th ed.) CitationSmithsonian Institution. Office of the Secretary, et al. Variation in Solar Radiation and the Weather. [publisher not identified], 1920.
Warning: These citations may not always be 100% accurate.