APA (7th ed.) Citation

Smithsonian Institution. Office of the Secretary & Clayton, H. H. (1926). Solar activity and long-period weather changes. [publisher not identified].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Office of the Secretary and Henry Helm Clayton. Solar Activity and Long-period Weather Changes. Washington, D.C.: [publisher not identified], 1926.

MLA (9th ed.) Citation

Smithsonian Institution. Office of the Secretary and Henry Helm Clayton. Solar Activity and Long-period Weather Changes. [publisher not identified], 1926.