APA (7th ed.) Citation

Smithsonian Institution. (1945). On the 27.0074-day cycle in Washington precipitation. [s.n.].

Chicago Style (17th ed.) Citation

Smithsonian Institution. On the 27.0074-day Cycle in Washington Precipitation. [Washington]: [s.n.], 1945.

MLA (9th ed.) Citation

Smithsonian Institution. On the 27.0074-day Cycle in Washington Precipitation. [s.n.], 1945.