Cita APA

Century of Progress International Exposition Chicago, Ill., & Century of Progress, inc., Chicago. (1934). A Century of progress exposition, Chicago, official pictures in color. A Century of Progress.

Chicago Style (17th ed.) Citation

Century of Progress International Exposition Chicago, Ill., i inc. Century of Progress. A Century of Progress Exposition, Chicago, Official Pictures in Color. Chicago: A Century of Progress, 1934.

Cita MLA

Century of Progress International Exposition Chicago, Ill., i inc. Century of Progress. A Century of Progress Exposition, Chicago, Official Pictures in Color. A Century of Progress, 1934.