American Negro Exposition, 1863 1940 :
Chicago Coliseum-July 4 to Sept. 2 : official program and guide book.

APA Citation

American Negro Exposition (1940 : Chicago, I. (1940). American Negro Exposition, 1863 1940: Chicago Coliseum-July 4 to Sept. 2 : official program and guide book. [Chicago: Exposition Authority.

MLA Citation

American Negro Exposition (1940 : Chicago, Ill.). American Negro Exposition, 1863 1940: Chicago Coliseum-July 4 to Sept. 2 : Official Program And Guide Book. [Chicago: Exposition Authority, 1940.

Warning: These citations may not always be complete (especially for serials).