APA (7th ed.) Citation

Smithsonian Institution. (1920). Smithsonian physical tables, 7th revised edition. [publisher not identified].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Smithsonian Physical Tables, 7th Revised Edition. [Washington]: [publisher not identified], 1920.

MLA (9th ed.) Citation

Smithsonian Institution. Smithsonian Physical Tables, 7th Revised Edition. [publisher not identified], 1920.

Warning: These citations may not always be 100% accurate.