Some databases that you may have used over the years here at Rowan offer free versions of the popular databases they sell to libraries. This version, however, will usually have less information or less full-text information (i.e. it will only enable you to find the citation you need. It might not provide a PDF or the full text) than the version you're used to using.
The State of New Jersey also offers free access to many other databases, such as:
Reference Managers allow organizing of citations and generate bibliographies according to output style desired.