Put References or cite Sources in PowerPoint 1] In-text Citation You can manually add references to the presentation slides’ text which is called In-text Citation.

How to Insert a Reference in PowerPoint 2007. When you need to add helpful references to slides in your business presentations, you can use the same referencing system that the Royal Society of ...

To edit a footer in your PowerPoint slides and include citations or notes, you'll need to access the Header & Footer menu from the Insert tab.