Illinois as it is
[electronic resource];
its history, geography, statistics, constitution, laws, government .../
etc.
by Fred. Gerhard.

APA Citation

Gerhard, F. (1857). Illinois as it is: its history, geography, statistics, constitution, laws, government .... Chicago, Ill.: Keen and Lee.

MLA Citation

Gerhard, Frederick. Illinois As it Is: Its History, Geography, Statistics, Constitution, Laws, Government .... Chicago, Ill.: Keen and Lee, 1857.

Warning: These citations may not always be complete (especially for serials).