APA Citation

Edgar, J. (1989). Origin and evolution of Illinois counties. [Springfield?]: State of Illinois.

Chicago Style Citation

Edgar, Jim. Origin and Evolution of Illinois Counties. [Springfield?]: State of Illinois, 1989.

MLA Citation

Edgar, Jim. Origin and Evolution of Illinois Counties. [Springfield?]: State of Illinois, 1989.

These citations may not conform precisely to your selected citation style. Please use this display as a guideline and modify as needed.