Cita APA

Century of Progress International Exposition. (1934). 1934, Century of Progress. Western Newspaper Union.

Citación estilo Chicago

Century of Progress International Exposition. 1934, Century of Progress. [Chicago, Ill.]: Western Newspaper Union, 1934.

Cita MLA

Century of Progress International Exposition. 1934, Century of Progress. Western Newspaper Union, 1934.

Warning: These citations may not always be 100% accurate.