For more information on citing more obscure formats, there is an extremely comprehensive guide created by Red Deer College.
The gold standard for online citation guidance, including Chicago, is the Owl at Purdue.
For those of you who want to go directly to the source, see the Chicago Manual of Style Online.
The Tri-College Libraries recommend Zotero, a free online app that can format your bibliography, keep your citations organized, and even save your articles in the cloud so you can access them later from the library, home, or a cafe. See the Music Department Guide to Zotero and the Tri-College Guide to Zotero.