Zotero Citation ManagerZotero is a free software that enables you to collect citations as you do your research. You can build a library of books, articles, websites, mulitmedia files, images, etc., from which you can create in-text citations and reference lists in any of the 1,771 citation styles Zotero currently supports. Once you have established your research collection, Zotero allows you to save, organize, stylize and share your library.