APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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