There are several citation management systems available on campus. Some are purchased by the Library for UIUC users, some are purchased by users or departments, and others are free. It's a good idea to collect articles and citations and keep them in different folders either by subject or classes.
EndNote is similar to Refworks and Zotero, but it allows you to produce bibliographies in a greater number of citation styles and allows greater customization. It is particularly popular in the sciences. Many research labs on campus use EndNote.
Unlike these web-based applications, EndNote is not free, and requires download and installation. You can download a 30-day trial version from the Endnote website, or buy it from the University of Illinois WebStore.
Zotero is a free citation management software plug in for Mozilla Firefox & NOW Chrome/Safari.
It enables users to collect, manage, and cite research from all types of sources. It is easy to use, lives in your web browser. Zotero allows you to attach pdfs, notes, images and screenshots to your citations, to organize them into collections for different projects, and to create bibliographies using Word or OpenOffice.
At its most basic level, Mendeley is a citation management tool, but it can also help with other aspects of research, such as: