You can find our electronic resources including a link to the Groton Subscription of NoodleTools in the Resources section of My Groton. Using NoodleTools to keep track of your sources as you use them will save you time and create a bibliography as you go along. Make sure you choose Chicago/Turabian and advanced. To cite an e-book, choose book and once you have created a citation you can switch it to an ebook . You can also create digital notecards and an outline right in NoodleTools.
Another useful source is the Chicago Manual of Style