The autumn fair and industrial business exhibit, Commercial Museum.
APA Citation
Philadelphia Autumn Fair Association., Commercial Museum (Philadelphia, P. (1921). The autumn fair and industrial business exhibit, Commercial Museum. [Philadelphia, Pa.?]: [Philadelphia Autumn Fair Association?].
MLA Citation
Philadelphia Autumn Fair Association, and Pa.) Commercial Museum (Philadelphia. The Autumn Fair And Industrial Business Exhibit, Commercial Museum. [Philadelphia, Pa.?]: [Philadelphia Autumn Fair Association?], 1921.
Warning: These citations may not always be complete (especially for serials).