APA (7th ed.) Citation

Smithsonian Institution. Office of the Secretary, Abbot, C. G., Aldrich, L. B., & Fowle, F. E. (1923). Distribution of energy in spectra of sun and stars. [publisher not identified].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Office of the Secretary, C. G. Abbot, Loyal Blaine Aldrich, and Frederick E. Fowle. Distribution of Energy in Spectra of Sun and Stars. Washington, D.C.: [publisher not identified], 1923.

MLA (9th ed.) Citation

Smithsonian Institution. Office of the Secretary, et al. Distribution of Energy in Spectra of Sun and Stars. [publisher not identified], 1923.