Illinois. State Board of Elections. (1992). Legislative districts of Illinois: 1991 reapportionment. State Board of Elections.
Chicago Style (17th ed.) CitationIllinois. State Board of Elections. Legislative Districts of Illinois: 1991 Reapportionment. [Springfield, Ill.]: State Board of Elections, 1992.
MLA (8th ed.) CitationIllinois. State Board of Elections. Legislative Districts of Illinois: 1991 Reapportionment. State Board of Elections, 1992.
Warning: These citations may not always be 100% accurate.