APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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