Additional Illinois offical list of text books and prices,
APA Citation
Illinois. Office of the Superintendent of Public Instruction. (1920). Additional Illinois offical list of text books and prices. [Springfield: Schnepp & Barnes, printers.
MLA Citation
Illinois. Office of the Superintendent of Public Instruction. Additional Illinois Offical List of Text Books And Prices. [Springfield: Schnepp & Barnes, printers, 1920.
Warning: These citations may not always be complete (especially for serials).