This document provides an overview of popular citation management tools, including RefWorks, Zotero, Mendeley, and EndNote. It notes that Gumberg Library's subscription to RefWorks will expire in June 2014 and it will offer assistance for transitioning to other tools. Each tool is described, noting features like being web-based, storing references, formatting citations and bibliographies, and whether they are free or cost money. Pros and cons of each are listed. A comparison chart of features is mentioned. RefWorks and EndNote are described as citation tools while Zotero and Mendeley include citation management as one feature among others like research sharing and discovery. Questions about choosing a citation manager are welcomed.