Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share your research sources. Zotero can help you clip and cite books, articles, video clips, mp3 files, images, web pages and other resources and lets you choose from more than ten different citation styles (APA, MLA, Chicago, e.g.). You can link Zotero to Microsoft Word and other word processors to automatically generate a bibliography from the items you want to cite.