Be sure you're using the right style to cite your references. Check out these guides:
Citation management tools allow you to collect, organize, and format your references. Some available tools include:
EndNote Web: Also known as EndNote Basic or EndNote Online, this web-based resource is available with free registration through the UF libraries. Import citations directly from many databases.
EndNote: The gold-standard of bibliographic management, this desktop tool is available for purchase. Import citations directly from many databases and synchronize with your EndNote Web account.
Zotero: This Firefox extension is available for free download. Work from within your web-browser to import citations from the web, tag and search them.
Mendeley: This is a free resource, available as a desktop download, web application, and mobile application. Focuses on reading, annotating, and sharing PDFs.