Select Insert Citation.
Once you've added a source to your list, you can cite it again:
Select Citation Options, and then Edit Citation" />
To add details, like page numbers if you're citing a book, select Citation Options, and then Edit Citation.
With cited sources in your document, you're ready to create a bibliography.
Tip: If you cite a new source, add it to the bibliography by clicking anywhere in the bibliography and selecting Update Citations and Bibliography.