APA (7th ed.) Citation

Widder, R. B. (1966). A Pictorial treasury of the smithsonian institution. Chilton.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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