APA (7th ed.) Citation

Smithsonian Institution. Office of the Secretary & Aldrich, L. B. (1919). Smithsonian eclipse expedition of June 8, 1918. [publisher not identified].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Office of the Secretary and Loyal Blaine Aldrich. Smithsonian Eclipse Expedition of June 8, 1918. Washington, D.C.: [publisher not identified], 1919.

MLA (9th ed.) Citation

Smithsonian Institution. Office of the Secretary and Loyal Blaine Aldrich. Smithsonian Eclipse Expedition of June 8, 1918. [publisher not identified], 1919.