Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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