APA (7th ed.) Citation

Smithsonian Institution. (1971). Guide to the Smithsonian archives.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Guide to the Smithsonian Archives. Washington, DC, 1971.

MLA (9th ed.) Citation

Smithsonian Institution. Guide to the Smithsonian Archives. 1971.

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