APA (7th ed.) Citation

Smithsonian Institution. (1996). Official guide to the Smithsonian. Smithsonian Inst. Press.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Official Guide to the Smithsonian. Washington, D.C: Smithsonian Inst. Press, 1996.

MLA (9th ed.) Citation

Smithsonian Institution. Official Guide to the Smithsonian. Smithsonian Inst. Press, 1996.

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