APA (7th ed.) Citation

Century of Progress International Exposition Chicago, Ill. (1933). A Century of Progress Chicago Centennial Exhibition 1933: Its plan and purpose. Clowes.

Chicago Style (17th ed.) Citation

Century of Progress International Exposition Chicago, Ill. A Century of Progress Chicago Centennial Exhibition 1933: Its Plan and Purpose. London: Clowes, 1933.

MLA (9th ed.) Citation

Century of Progress International Exposition Chicago, Ill. A Century of Progress Chicago Centennial Exhibition 1933: Its Plan and Purpose. Clowes, 1933.