Cita APA (7a ed.)

World's Columbian Exposition. (1893). Educational exhibit of the World's Columbian Exposition. [s.n.].

Cita Chicago Style (17a ed.)

World's Columbian Exposition. Educational Exhibit of the World's Columbian Exposition. Chicago: [s.n.], 1893.

Cita MLA (8a ed.)

World's Columbian Exposition. Educational Exhibit of the World's Columbian Exposition. [s.n.], 1893.