When you are in your project in NoodleTools, click the sources tab at the top.
The In-text citation in the Options drop-down menu next to each source opens a help screen that shows how to create an in-text citation for that source:
On the Options menu select In-text citation. Depending on the source, this help screen may prompt for a page or volume number in order to customize the example so that you can copy and paste it directly into your paper.