APA (7th ed.) Citation

Bensen, C. H., & Polidata. (2003). Election history for Illinois: Counties and media markets, 2003-2004 edition. Polidata.

Chicago Style (17th ed.) Citation

Bensen, Clark H., and Polidata. Election History for Illinois: Counties and Media Markets, 2003-2004 Edition. [Lake Ridge, Va]: Polidata, 2003.

MLA (8th ed.) Citation

Bensen, Clark H., and Polidata. Election History for Illinois: Counties and Media Markets, 2003-2004 Edition. Polidata, 2003.