Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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