The Chicago-Style Citation Quick Guide is a great resource that provides explanation and examples of the correct citation format (both notes and end-of-paper references) for the most popular kinds of sources. You can view it at or download it from the Chicago Manual of Style web site.
Selected Online Chicago Guides
You may also consult the detailed Chicago guide at Purdue Online Writing Lab or take a look at the guide compliled by Western Libraries at Western Washington University.
Chicago Style Manual in Print
You will find a more detailed discussion of the style and additional examples in the print copy of the manual (Call Number Z253 .U69 2003) that is located in the reference stacks on the 2nd floor of the library.