Zotero [zoh-TAIR-oh] is a free, easy-to-use Firefox extension that helps you collect, manage, and cite your research sources. 

Why would you choose Zotero over EndNote or Refworks?

Strengths of Zotero

•    It's easy to use and lives in your web browser where you do your work
•    Easily store PDFs, images, and Web pages
•    Free, open source, and extensible
•    Interface available in over 30 languages

Limitations of Zotero

• Not available for Internet Explorer (IE), Safari, Chrome and Opera
• Does not work with every Duke database (e.g. ISI Web of Knowledge)

Get started with Zotero:

• The basics

• FAQs

• Troubleshooting

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BibTeX is free reference management software for formatting lists of references. The BibTeX tool is typically used together with the LaTeX document preparation system.

To use BibTeX you must:
1.    Create a database (.bib) file that describes the articles that you want to reference.
2.    Specify the style and location of the bibliography in your LaTeX document.
3.    Run LaTeX and BibTeX.

Why would you choose BibTeX over EndNote or Refworks?

Strengths of BibTeX

• Easily customize your bibliography to suit the requirements of a given publication
• Established journals and conference organisers often will have created their own bibliography style (.bst file) for those users of Bibtex, to do all the hard work for you.

Limitations of BibTeX

• Steep learning curve

Get started with BibTeX:

• BibTeX.org

• What is BibTeX?

• Getting to Grips with LaTeX -  Bibliography Management

• TeX resources