Endnote and Zotero are both citation managers that allow you to organize, format and insert your references into a paper. For a comparison, see below.
People who can help:
Jeanine Williamson Fletcher (EndNote)
jwilliamson@utk.edu
Brianne Dosch (Zotero)
bdosch@utk.edu
Teresa Berry (Mendeley)
tberry0@utk.edu