Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share your research sources.
It can help you:
Create and manage citations of books, articles, videos, etc.
Import citations from databases and the WU Catalog
Add searchable notes and tags to citations; attach pdf's if desired
Quickly create a bibliography in multiple formats (MLA, Chicago, APA...)
Automatically manage in-text citations in Microsoft Word or LibreOffice/OpenOffice
Easily share references with others