APA (7th ed.) Citation

Smithsonian Institution & Widder, R. B. (1966). A pictorial treasury of the Smithsonian Institution. Chilton.

Chicago Style (17th ed.) Citation

Smithsonian Institution and Robert B. Widder. A Pictorial Treasury of the Smithsonian Institution. Philadelphia [etc.]: Chilton, 1966.

MLA (9th ed.) Citation

Smithsonian Institution and Robert B. Widder. A Pictorial Treasury of the Smithsonian Institution. Chilton, 1966.

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