Music History I: Chicago Manual of Style

Here is the Chicago-style Citation Quick Guide.

• use the Notes-Bibliography format (the version preferred by the arts and humanities)  
• since you are only concerned with the bibliography at this time, use the lower, un-numbered example for each format

If you used the link above, you have entered the library's online edition of the entire Chicago Manual of Style.  From there you can go to any part of the book for further information about citing.  Here is the general link to the resource:  Chicago Manual of Style Online.