World's Columbian Exposition. (1893). Educational exhibit of the World's Columbian Exposition. [s.n.].
Style de citation Chicago (17e éd.)World's Columbian Exposition. Educational Exhibit of the World's Columbian Exposition. Chicago: [s.n.], 1893.
Style de citation MLA (8e éd.)World's Columbian Exposition. Educational Exhibit of the World's Columbian Exposition. [s.n.], 1893.
Attention : ces citations peuvent ne pas être correctes à 100%.