The key to our local government: Chicago, Cook County, metropolitan area

Chicago citation style
Citizen Information Service of Metropolitan Chicago. The key to our local government: Chicago, Cook County, metropolitan area. [1960]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001150568. (Accessed December 14, 2018.)
APA citation style
Citizen Information Service of Metropolitan Chicago, ([1960]) The key to our local government: Chicago, Cook County, metropolitan area. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001150568
MLA citation style
Citizen Information Service of Metropolitan Chicago. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001150568>.
Note: These citations are programmatically generated and may be incomplete.