Cita APA

Century of Progress International Exposition. (1934). World's Fair clip sheet. Press Division, A Century of Progress.

Citación estilo Chicago

Century of Progress International Exposition. World's Fair Clip Sheet. Chicago, Ill.: Press Division, A Century of Progress, 1934.

Cita MLA

Century of Progress International Exposition. World's Fair Clip Sheet. Press Division, A Century of Progress, 1934.